An demo(for review) to show how to fix the problem we meet

diff --git a/Zend/zend_execute.c b/Zend/zend_execute.c
index 7977c873b3a57b23930b7663061207b64a0357fe..b9f710cce3f4f3f2223b555f6f3862b13564e967 100644 (file)
--- a/Zend/zend_execute.c
+++ b/Zend/zend_execute.c
@@ -214,8 +214,9 @@ static zend_never_inline zval *_get_zval_cv_lookup(zval *ptr, zend_uint var, int
        if (EG(active_symbol_table)) {
                ret = zend_hash_find(EG(active_symbol_table), cv);
                if (ret) {
-                       ZVAL_INDIRECT(ptr, ret);
-                       return ret;
+                       ZEND_ASSERT(Z_TYPE_P(ret) == IS_INDIRECT);
+                       ZVAL_INDIRECT(ptr, Z_INDIRECT_P(ret));
+                       return Z_INDIRECT_P(ptr);
                }
        }
 
@@ -231,12 +232,14 @@ static zend_never_inline zval *_get_zval_cv_lookup(zval *ptr, zend_uint var, int
                        /* break missing intentionally */
                case BP_VAR_W:
                        if (EG(active_symbol_table)) {
-                               ret = zend_hash_update(EG(active_symbol_table), cv, ret);
-                               ZVAL_INDIRECT(ptr, ret);
+                               zval zv;
+                               ZVAL_COPY_VALUE(ptr, &EG(uninitialized_zval));
+                               ZVAL_INDIRECT(&zv, ptr);
+                               zend_hash_update(EG(active_symbol_table), cv, &zv);
                        } else {
                                ZVAL_NULL(ptr);
-                               ret = ptr;
                        }
+                       ret = ptr;
                        break;
        }
        return ret;
@@ -250,8 +253,9 @@ static zend_never_inline zval *_get_zval_cv_lookup_BP_VAR_R(zval *ptr, zend_uint
        if (EG(active_symbol_table)) {
                ret = zend_hash_find(EG(active_symbol_table), cv);
                if (ret) {
-                       ZVAL_INDIRECT(ptr, ret);
-                       return ret;
+                       ZEND_ASSERT(Z_TYPE_P(ret) == IS_INDIRECT);
+                       ZVAL_INDIRECT(ptr, Z_INDIRECT_P(ret));
+                       return Z_INDIRECT_P(ptr);
                }
        }
 
@@ -267,8 +271,9 @@ static zend_never_inline zval *_get_zval_cv_lookup_BP_VAR_UNSET(zval *ptr, zend_
        if (EG(active_symbol_table)) {
                ret = zend_hash_find(EG(active_symbol_table), cv);
                if (ret) {
-                       ZVAL_INDIRECT(ptr, ret);
-                       return ret;
+                       ZEND_ASSERT(Z_TYPE_P(ret) == IS_INDIRECT);
+                       ZVAL_INDIRECT(ptr, Z_INDIRECT_P(ret));
+                       return Z_INDIRECT_P(ptr);
                }
        }
 
@@ -284,8 +289,9 @@ static zend_never_inline zval *_get_zval_cv_lookup_BP_VAR_IS(zval *ptr, zend_uin
        if (EG(active_symbol_table)) {
                ret = zend_hash_find(EG(active_symbol_table), cv);
                if (ret) {
-                       ZVAL_INDIRECT(ptr, ret);
-                       return ret;
+                       ZEND_ASSERT(Z_TYPE_P(ret) == IS_INDIRECT);
+                       ZVAL_INDIRECT(ptr, Z_INDIRECT_P(ret));
+                       return Z_INDIRECT_P(ptr);
                }
        }
 
@@ -300,13 +306,17 @@ static zend_never_inline zval *_get_zval_cv_lookup_BP_VAR_RW(zval *ptr, zend_uin
        if (EG(active_symbol_table)) {
                ret = zend_hash_find(EG(active_symbol_table), cv);
                if (ret) {
-                       ZVAL_INDIRECT(ptr, ret);
-                       return ret;
+                       ZEND_ASSERT(Z_TYPE_P(ret) == IS_INDIRECT);
+                       ZVAL_INDIRECT(ptr, Z_INDIRECT_P(ret));
+                       return Z_INDIRECT_P(ptr);
+               } else {
+                       zval zv;
+                       ZVAL_COPY_VALUE(ptr, &EG(uninitialized_zval));
+                       ZVAL_INDIRECT(&zv, ptr);
+                       zend_hash_update(EG(active_symbol_table), cv, &zv);
+                       zend_error(E_NOTICE, "Undefined variable: %s", cv->val);
+                       return ptr;
                }
-               ret = zend_hash_update(EG(active_symbol_table), cv, &EG(uninitialized_zval));
-               ZVAL_INDIRECT(ptr, ret);
-               zend_error(E_NOTICE, "Undefined variable: %s", cv->val);
-               return ret;
        } else {
                ZVAL_NULL(ptr);
                zend_error(E_NOTICE, "Undefined variable: %s", cv->val);
@@ -322,12 +332,16 @@ static zend_never_inline zval *_get_zval_cv_lookup_BP_VAR_W(zval *ptr, zend_uint
        if (EG(active_symbol_table)) {
                ret = zend_hash_find(EG(active_symbol_table), cv);
                if (ret) {
-                       ZVAL_INDIRECT(ptr, ret);
-                       return ret;
+                       ZEND_ASSERT(Z_TYPE_P(ret) == IS_INDIRECT);
+                       ZVAL_INDIRECT(ptr, Z_INDIRECT_P(ret));
+                       return Z_INDIRECT_P(ptr);
+               } else {
+                       zval zv;
+                       ZVAL_COPY_VALUE(ptr, &EG(uninitialized_zval));
+                       ZVAL_INDIRECT(&zv, ptr);
+                       zend_hash_update(EG(active_symbol_table), cv, &zv);
+                       return ptr;
                }
-               ret = zend_hash_update(EG(active_symbol_table), cv, &EG(uninitialized_zval));
-               ZVAL_INDIRECT(ptr, ret);
-               return ret;
        } else {
                ZVAL_NULL(ptr);
                return ptr;
@@ -1525,20 +1539,20 @@ static inline zend_brk_cont_element* zend_brk_cont(int nest_levels, int array_of
                zend_hash_apply(EG(active_symbol_table), (apply_func_t) zend_check_symbol TSRMLS_CC);   \
        }
 
-static int zend_check_symbol(zval **pz TSRMLS_DC)
+static int zend_check_symbol(zval *zv TSRMLS_DC)
 {
-       if (Z_TYPE_PP(pz) > 9) {
-               fprintf(stderr, "Warning!  %x has invalid type!\n", *pz);
+       if (Z_TYPE_P(zv) > 17) {
+               fprintf(stderr, "Warning!  %x has invalid type!\n", *zv);
 /* See http://support.microsoft.com/kb/190351 */
 #ifdef PHP_WIN32
                fflush(stderr);
 #endif
-       } else if (Z_TYPE_PP(pz) == IS_ARRAY) {
-               zend_hash_apply(Z_ARRVAL_PP(pz), (apply_func_t) zend_check_symbol TSRMLS_CC);
-       } else if (Z_TYPE_PP(pz) == IS_OBJECT) {
+       } else if (Z_TYPE_P(zv) == IS_ARRAY) {
+               zend_hash_apply(Z_ARRVAL_P(zv), (apply_func_t) zend_check_symbol TSRMLS_CC);
+       } else if (Z_TYPE_P(zv) == IS_OBJECT) {
 
                /* OBJ-TBI - doesn't support new object model! */
-               zend_hash_apply(Z_OBJPROP_PP(pz), (apply_func_t) zend_check_symbol TSRMLS_CC);
+               zend_hash_apply(Z_OBJPROP_P(zv), (apply_func_t) zend_check_symbol TSRMLS_CC);
        }
 
        return 0;
@@ -1728,11 +1742,10 @@ static zend_always_inline zend_execute_data *i_create_execute_data_from_op_array
                if (!EG(active_symbol_table)) {
                        ZVAL_COPY(EX_VAR_NUM(op_array->this_var), &EG(This));
                } else {
+                       zval zv;
                        ZVAL_COPY(EX_VAR_NUM(op_array->this_var), &EG(This));
-                       zval *zv = zend_hash_str_add(EG(active_symbol_table), "this", sizeof("this")-1, EX_VAR(op_array->this_var));
-                       if (zv) {
-                               ZVAL_INDIRECT(EX_VAR_NUM(op_array->this_var), zv);
-                       }
+                       ZVAL_INDIRECT(&zv, EX_VAR_NUM(op_array->this_var));
+                       zend_hash_str_add(EG(active_symbol_table), "this", sizeof("this")-1, &zv);
                }
        }
 

diff --git a/Zend/zend_execute_API.c b/Zend/zend_execute_API.c
index 8faba97fc784bc2341e113f8ceb18f3175d26c31..9721fbda7bc9ac5e14f48b0100520bca489ec990 100644 (file)
--- a/Zend/zend_execute_API.c
+++ b/Zend/zend_execute_API.c
@@ -1728,10 +1728,9 @@ ZEND_API void zend_rebuild_symbol_table(TSRMLS_D) /* {{{ */
                        }
                        for (i = 0; i < ex->op_array->last_var; i++) {
                                if (Z_TYPE_P(EX_VAR_NUM_2(ex, i)) != IS_UNDEF) {
-                                       zval *zv = zend_hash_update(EG(active_symbol_table),
-                                               ex->op_array->vars[i],
-                                               EX_VAR_NUM_2(ex, i));
-                                       ZVAL_INDIRECT(EX_VAR_NUM_2(ex, i), zv);
+                                       zval zv;
+                                       ZVAL_INDIRECT(&zv, EX_VAR_NUM_2(ex, i));
+                                       zend_hash_update(EG(active_symbol_table), ex->op_array->vars[i], &zv);
                                }
                        }
                }

diff --git a/Zend/zend_vm_def.h b/Zend/zend_vm_def.h
index 6049f658f0fc88e56341d167b01fa2b4e5c0a75d..9d4a1f92b6b2e1ee28eb30a9f018f83068fb73f5 100644 (file)
--- a/Zend/zend_vm_def.h
+++ b/Zend/zend_vm_def.h
@@ -1069,30 +1069,16 @@ ZEND_VM_HELPER_EX(zend_fetch_var_address_helper, CONST|TMP|VAR|CV, UNUSED|CONST|
                                case BP_VAR_RW:
                                        zend_error(E_NOTICE,"Undefined variable: %s", Z_STRVAL_P(varname));
                                        /* break missing intentionally */
-                               case BP_VAR_W:
-                                       retval = zend_hash_update(target_symbol_table, Z_STR_P(varname), &EG(uninitialized_zval));
+                               case BP_VAR_W: {
+                                          zval zv;
+                                          ZVAL_COPY_VALUE(EX_VAR(opline->result.var), &EG(uninitialized_zval));
+                                          ZVAL_INDIRECT(&zv, EX_VAR(opline->result.var));
+                                          zend_hash_update(target_symbol_table, Z_STR_P(varname), &zv);
+                                       }
                                        break;
                                EMPTY_SWITCH_DEFAULT_CASE()
                        }
                }
-               switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
-                       case ZEND_FETCH_GLOBAL:
-                               if (OP1_TYPE != IS_TMP_VAR) {
-                                       FREE_OP1();
-                               }
-                               break;
-                       case ZEND_FETCH_LOCAL:
-                               FREE_OP1();
-                               break;
-                       case ZEND_FETCH_STATIC:
-                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
-                               break;
-                       case ZEND_FETCH_GLOBAL_LOCK:
-                               if (OP1_TYPE == IS_VAR && !OP1_FREE) {
-                                       Z_ADDREF_P(EX_VAR(opline->op1.var));
-                               }
-                               break;
-               }
        }
 
 
@@ -1100,11 +1086,35 @@ ZEND_VM_HELPER_EX(zend_fetch_var_address_helper, CONST|TMP|VAR|CV, UNUSED|CONST|
                zval_dtor(&tmp_varname);
        }
 
-       if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
-               SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+       if (retval && UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
+               retval = Z_INDIRECT_P(retval);
+       }
+
+       switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
+               case ZEND_FETCH_GLOBAL:
+                       if (OP1_TYPE != IS_TMP_VAR) {
+                               FREE_OP1();
+                       }
+                       break;
+               case ZEND_FETCH_LOCAL:
+                       FREE_OP1();
+                       break;
+               case ZEND_FETCH_STATIC:
+                       if (retval) {
+                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
+                       }
+                       break;
+               case ZEND_FETCH_GLOBAL_LOCK:
+                       if (OP1_TYPE == IS_VAR && !OP1_FREE) {
+                               Z_ADDREF_P(EX_VAR(opline->op1.var));
+                       }
+                       break;
        }
 
        if (EXPECTED(retval != NULL)) {
+               if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
+                       SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+               }
                if (Z_REFCOUNTED_P(retval)) Z_ADDREF_P(retval);
                switch (type) {
                        case BP_VAR_R:
@@ -4620,6 +4630,9 @@ ZEND_VM_HANDLER(114, ZEND_ISSET_ISEMPTY_VAR, CONST|TMP|VAR|CV, UNUSED|CONST|VAR)
                        if ((value = zend_hash_find(target_symbol_table, Z_STR_P(varname))) == NULL) {
                                isset = 0;
                        }
+                       if (UNEXPECTED(Z_TYPE_P(value) == IS_INDIRECT)) {
+                               value = Z_INDIRECT_P(value);
+                       }
                }
 
                if (OP1_TYPE != IS_CONST && varname == &tmp) {

diff --git a/Zend/zend_vm_execute.h b/Zend/zend_vm_execute.h
index 32042fc548b1a875f33185c98c8f6b8ecc666b2c..494c917aa01a0d31a9fc623f969ff34a20bbf1ff 100644 (file)
--- a/Zend/zend_vm_execute.h
+++ b/Zend/zend_vm_execute.h
@@ -3622,30 +3622,16 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_CONST_CONST(int type
                                case BP_VAR_RW:
                                        zend_error(E_NOTICE,"Undefined variable: %s", Z_STRVAL_P(varname));
                                        /* break missing intentionally */
-                               case BP_VAR_W:
-                                       retval = zend_hash_update(target_symbol_table, Z_STR_P(varname), &EG(uninitialized_zval));
+                               case BP_VAR_W: {
+                                          zval zv;
+                                          ZVAL_COPY_VALUE(EX_VAR(opline->result.var), &EG(uninitialized_zval));
+                                          ZVAL_INDIRECT(&zv, EX_VAR(opline->result.var));
+                                          zend_hash_update(target_symbol_table, Z_STR_P(varname), &zv);
+                                       }
                                        break;
                                EMPTY_SWITCH_DEFAULT_CASE()
                        }
                }
-               switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
-                       case ZEND_FETCH_GLOBAL:
-                               if (IS_CONST != IS_TMP_VAR) {
-
-                               }
-                               break;
-                       case ZEND_FETCH_LOCAL:
-
-                               break;
-                       case ZEND_FETCH_STATIC:
-                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
-                               break;
-                       case ZEND_FETCH_GLOBAL_LOCK:
-                               if (IS_CONST == IS_VAR && !0) {
-                                       Z_ADDREF_P(EX_VAR(opline->op1.var));
-                               }
-                               break;
-               }
        }
 
 
@@ -3653,11 +3639,35 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_CONST_CONST(int type
                zval_dtor(&tmp_varname);
        }
 
-       if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
-               SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+       if (retval && UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
+               retval = Z_INDIRECT_P(retval);
+       }
+
+       switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
+               case ZEND_FETCH_GLOBAL:
+                       if (IS_CONST != IS_TMP_VAR) {
+
+                       }
+                       break;
+               case ZEND_FETCH_LOCAL:
+
+                       break;
+               case ZEND_FETCH_STATIC:
+                       if (retval) {
+                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
+                       }
+                       break;
+               case ZEND_FETCH_GLOBAL_LOCK:
+                       if (IS_CONST == IS_VAR && !0) {
+                               Z_ADDREF_P(EX_VAR(opline->op1.var));
+                       }
+                       break;
        }
 
        if (EXPECTED(retval != NULL)) {
+               if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
+                       SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+               }
                if (Z_REFCOUNTED_P(retval)) Z_ADDREF_P(retval);
                switch (type) {
                        case BP_VAR_R:
@@ -4213,6 +4223,9 @@ static int ZEND_FASTCALL  ZEND_ISSET_ISEMPTY_VAR_SPEC_CONST_CONST_HANDLER(ZEND_O
                        if ((value = zend_hash_find(target_symbol_table, Z_STR_P(varname))) == NULL) {
                                isset = 0;
                        }
+                       if (UNEXPECTED(Z_TYPE_P(value) == IS_INDIRECT)) {
+                               value = Z_INDIRECT_P(value);
+                       }
                }
 
                if (IS_CONST != IS_CONST && varname == &tmp) {
@@ -5404,30 +5417,16 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_CONST_VAR(int type,
                                case BP_VAR_RW:
                                        zend_error(E_NOTICE,"Undefined variable: %s", Z_STRVAL_P(varname));
                                        /* break missing intentionally */
-                               case BP_VAR_W:
-                                       retval = zend_hash_update(target_symbol_table, Z_STR_P(varname), &EG(uninitialized_zval));
+                               case BP_VAR_W: {
+                                          zval zv;
+                                          ZVAL_COPY_VALUE(EX_VAR(opline->result.var), &EG(uninitialized_zval));
+                                          ZVAL_INDIRECT(&zv, EX_VAR(opline->result.var));
+                                          zend_hash_update(target_symbol_table, Z_STR_P(varname), &zv);
+                                       }
                                        break;
                                EMPTY_SWITCH_DEFAULT_CASE()
                        }
                }
-               switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
-                       case ZEND_FETCH_GLOBAL:
-                               if (IS_CONST != IS_TMP_VAR) {
-
-                               }
-                               break;
-                       case ZEND_FETCH_LOCAL:
-
-                               break;
-                       case ZEND_FETCH_STATIC:
-                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
-                               break;
-                       case ZEND_FETCH_GLOBAL_LOCK:
-                               if (IS_CONST == IS_VAR && !0) {
-                                       Z_ADDREF_P(EX_VAR(opline->op1.var));
-                               }
-                               break;
-               }
        }
 
 
@@ -5435,11 +5434,35 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_CONST_VAR(int type,
                zval_dtor(&tmp_varname);
        }
 
-       if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
-               SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+       if (retval && UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
+               retval = Z_INDIRECT_P(retval);
+       }
+
+       switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
+               case ZEND_FETCH_GLOBAL:
+                       if (IS_CONST != IS_TMP_VAR) {
+
+                       }
+                       break;
+               case ZEND_FETCH_LOCAL:
+
+                       break;
+               case ZEND_FETCH_STATIC:
+                       if (retval) {
+                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
+                       }
+                       break;
+               case ZEND_FETCH_GLOBAL_LOCK:
+                       if (IS_CONST == IS_VAR && !0) {
+                               Z_ADDREF_P(EX_VAR(opline->op1.var));
+                       }
+                       break;
        }
 
        if (EXPECTED(retval != NULL)) {
+               if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
+                       SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+               }
                if (Z_REFCOUNTED_P(retval)) Z_ADDREF_P(retval);
                switch (type) {
                        case BP_VAR_R:
@@ -5881,6 +5904,9 @@ static int ZEND_FASTCALL  ZEND_ISSET_ISEMPTY_VAR_SPEC_CONST_VAR_HANDLER(ZEND_OPC
                        if ((value = zend_hash_find(target_symbol_table, Z_STR_P(varname))) == NULL) {
                                isset = 0;
                        }
+                       if (UNEXPECTED(Z_TYPE_P(value) == IS_INDIRECT)) {
+                               value = Z_INDIRECT_P(value);
+                       }
                }
 
                if (IS_CONST != IS_CONST && varname == &tmp) {
@@ -6113,30 +6139,16 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_CONST_UNUSED(int typ
                                case BP_VAR_RW:
                                        zend_error(E_NOTICE,"Undefined variable: %s", Z_STRVAL_P(varname));
                                        /* break missing intentionally */
-                               case BP_VAR_W:
-                                       retval = zend_hash_update(target_symbol_table, Z_STR_P(varname), &EG(uninitialized_zval));
+                               case BP_VAR_W: {
+                                          zval zv;
+                                          ZVAL_COPY_VALUE(EX_VAR(opline->result.var), &EG(uninitialized_zval));
+                                          ZVAL_INDIRECT(&zv, EX_VAR(opline->result.var));
+                                          zend_hash_update(target_symbol_table, Z_STR_P(varname), &zv);
+                                       }
                                        break;
                                EMPTY_SWITCH_DEFAULT_CASE()
                        }
                }
-               switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
-                       case ZEND_FETCH_GLOBAL:
-                               if (IS_CONST != IS_TMP_VAR) {
-
-                               }
-                               break;
-                       case ZEND_FETCH_LOCAL:
-
-                               break;
-                       case ZEND_FETCH_STATIC:
-                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
-                               break;
-                       case ZEND_FETCH_GLOBAL_LOCK:
-                               if (IS_CONST == IS_VAR && !0) {
-                                       Z_ADDREF_P(EX_VAR(opline->op1.var));
-                               }
-                               break;
-               }
        }
 
 
@@ -6144,11 +6156,35 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_CONST_UNUSED(int typ
                zval_dtor(&tmp_varname);
        }
 
-       if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
-               SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+       if (retval && UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
+               retval = Z_INDIRECT_P(retval);
+       }
+
+       switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
+               case ZEND_FETCH_GLOBAL:
+                       if (IS_CONST != IS_TMP_VAR) {
+
+                       }
+                       break;
+               case ZEND_FETCH_LOCAL:
+
+                       break;
+               case ZEND_FETCH_STATIC:
+                       if (retval) {
+                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
+                       }
+                       break;
+               case ZEND_FETCH_GLOBAL_LOCK:
+                       if (IS_CONST == IS_VAR && !0) {
+                               Z_ADDREF_P(EX_VAR(opline->op1.var));
+                       }
+                       break;
        }
 
        if (EXPECTED(retval != NULL)) {
+               if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
+                       SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+               }
                if (Z_REFCOUNTED_P(retval)) Z_ADDREF_P(retval);
                switch (type) {
                        case BP_VAR_R:
@@ -6558,6 +6594,9 @@ static int ZEND_FASTCALL  ZEND_ISSET_ISEMPTY_VAR_SPEC_CONST_UNUSED_HANDLER(ZEND_
                        if ((value = zend_hash_find(target_symbol_table, Z_STR_P(varname))) == NULL) {
                                isset = 0;
                        }
+                       if (UNEXPECTED(Z_TYPE_P(value) == IS_INDIRECT)) {
+                               value = Z_INDIRECT_P(value);
+                       }
                }
 
                if (IS_CONST != IS_CONST && varname == &tmp) {
@@ -8771,30 +8810,16 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_TMP_CONST(int type,
                                case BP_VAR_RW:
                                        zend_error(E_NOTICE,"Undefined variable: %s", Z_STRVAL_P(varname));
                                        /* break missing intentionally */
-                               case BP_VAR_W:
-                                       retval = zend_hash_update(target_symbol_table, Z_STR_P(varname), &EG(uninitialized_zval));
+                               case BP_VAR_W: {
+                                          zval zv;
+                                          ZVAL_COPY_VALUE(EX_VAR(opline->result.var), &EG(uninitialized_zval));
+                                          ZVAL_INDIRECT(&zv, EX_VAR(opline->result.var));
+                                          zend_hash_update(target_symbol_table, Z_STR_P(varname), &zv);
+                                       }
                                        break;
                                EMPTY_SWITCH_DEFAULT_CASE()
                        }
                }
-               switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
-                       case ZEND_FETCH_GLOBAL:
-                               if (IS_TMP_VAR != IS_TMP_VAR) {
-                                       zval_dtor(free_op1.var);
-                               }
-                               break;
-                       case ZEND_FETCH_LOCAL:
-                               zval_dtor(free_op1.var);
-                               break;
-                       case ZEND_FETCH_STATIC:
-                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
-                               break;
-                       case ZEND_FETCH_GLOBAL_LOCK:
-                               if (IS_TMP_VAR == IS_VAR && !1) {
-                                       Z_ADDREF_P(EX_VAR(opline->op1.var));
-                               }
-                               break;
-               }
        }
 
 
@@ -8802,11 +8827,35 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_TMP_CONST(int type,
                zval_dtor(&tmp_varname);
        }
 
-       if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
-               SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+       if (retval && UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
+               retval = Z_INDIRECT_P(retval);
+       }
+
+       switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
+               case ZEND_FETCH_GLOBAL:
+                       if (IS_TMP_VAR != IS_TMP_VAR) {
+                               zval_dtor(free_op1.var);
+                       }
+                       break;
+               case ZEND_FETCH_LOCAL:
+                       zval_dtor(free_op1.var);
+                       break;
+               case ZEND_FETCH_STATIC:
+                       if (retval) {
+                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
+                       }
+                       break;
+               case ZEND_FETCH_GLOBAL_LOCK:
+                       if (IS_TMP_VAR == IS_VAR && !1) {
+                               Z_ADDREF_P(EX_VAR(opline->op1.var));
+                       }
+                       break;
        }
 
        if (EXPECTED(retval != NULL)) {
+               if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
+                       SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+               }
                if (Z_REFCOUNTED_P(retval)) Z_ADDREF_P(retval);
                switch (type) {
                        case BP_VAR_R:
@@ -9270,6 +9319,9 @@ static int ZEND_FASTCALL  ZEND_ISSET_ISEMPTY_VAR_SPEC_TMP_CONST_HANDLER(ZEND_OPC
                        if ((value = zend_hash_find(target_symbol_table, Z_STR_P(varname))) == NULL) {
                                isset = 0;
                        }
+                       if (UNEXPECTED(Z_TYPE_P(value) == IS_INDIRECT)) {
+                               value = Z_INDIRECT_P(value);
+                       }
                }
 
                if (IS_TMP_VAR != IS_CONST && varname == &tmp) {
@@ -10438,30 +10490,16 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_TMP_VAR(int type, ZE
                                case BP_VAR_RW:
                                        zend_error(E_NOTICE,"Undefined variable: %s", Z_STRVAL_P(varname));
                                        /* break missing intentionally */
-                               case BP_VAR_W:
-                                       retval = zend_hash_update(target_symbol_table, Z_STR_P(varname), &EG(uninitialized_zval));
+                               case BP_VAR_W: {
+                                          zval zv;
+                                          ZVAL_COPY_VALUE(EX_VAR(opline->result.var), &EG(uninitialized_zval));
+                                          ZVAL_INDIRECT(&zv, EX_VAR(opline->result.var));
+                                          zend_hash_update(target_symbol_table, Z_STR_P(varname), &zv);
+                                       }
                                        break;
                                EMPTY_SWITCH_DEFAULT_CASE()
                        }
                }
-               switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
-                       case ZEND_FETCH_GLOBAL:
-                               if (IS_TMP_VAR != IS_TMP_VAR) {
-                                       zval_dtor(free_op1.var);
-                               }
-                               break;
-                       case ZEND_FETCH_LOCAL:
-                               zval_dtor(free_op1.var);
-                               break;
-                       case ZEND_FETCH_STATIC:
-                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
-                               break;
-                       case ZEND_FETCH_GLOBAL_LOCK:
-                               if (IS_TMP_VAR == IS_VAR && !1) {
-                                       Z_ADDREF_P(EX_VAR(opline->op1.var));
-                               }
-                               break;
-               }
        }
 
 
@@ -10469,11 +10507,35 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_TMP_VAR(int type, ZE
                zval_dtor(&tmp_varname);
        }
 
-       if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
-               SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+       if (retval && UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
+               retval = Z_INDIRECT_P(retval);
+       }
+
+       switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
+               case ZEND_FETCH_GLOBAL:
+                       if (IS_TMP_VAR != IS_TMP_VAR) {
+                               zval_dtor(free_op1.var);
+                       }
+                       break;
+               case ZEND_FETCH_LOCAL:
+                       zval_dtor(free_op1.var);
+                       break;
+               case ZEND_FETCH_STATIC:
+                       if (retval) {
+                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
+                       }
+                       break;
+               case ZEND_FETCH_GLOBAL_LOCK:
+                       if (IS_TMP_VAR == IS_VAR && !1) {
+                               Z_ADDREF_P(EX_VAR(opline->op1.var));
+                       }
+                       break;
        }
 
        if (EXPECTED(retval != NULL)) {
+               if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
+                       SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+               }
                if (Z_REFCOUNTED_P(retval)) Z_ADDREF_P(retval);
                switch (type) {
                        case BP_VAR_R:
@@ -10925,6 +10987,9 @@ static int ZEND_FASTCALL  ZEND_ISSET_ISEMPTY_VAR_SPEC_TMP_VAR_HANDLER(ZEND_OPCOD
                        if ((value = zend_hash_find(target_symbol_table, Z_STR_P(varname))) == NULL) {
                                isset = 0;
                        }
+                       if (UNEXPECTED(Z_TYPE_P(value) == IS_INDIRECT)) {
+                               value = Z_INDIRECT_P(value);
+                       }
                }
 
                if (IS_TMP_VAR != IS_CONST && varname == &tmp) {
@@ -11157,30 +11222,16 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_TMP_UNUSED(int type,
                                case BP_VAR_RW:
                                        zend_error(E_NOTICE,"Undefined variable: %s", Z_STRVAL_P(varname));
                                        /* break missing intentionally */
-                               case BP_VAR_W:
-                                       retval = zend_hash_update(target_symbol_table, Z_STR_P(varname), &EG(uninitialized_zval));
+                               case BP_VAR_W: {
+                                          zval zv;
+                                          ZVAL_COPY_VALUE(EX_VAR(opline->result.var), &EG(uninitialized_zval));
+                                          ZVAL_INDIRECT(&zv, EX_VAR(opline->result.var));
+                                          zend_hash_update(target_symbol_table, Z_STR_P(varname), &zv);
+                                       }
                                        break;
                                EMPTY_SWITCH_DEFAULT_CASE()
                        }
                }
-               switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
-                       case ZEND_FETCH_GLOBAL:
-                               if (IS_TMP_VAR != IS_TMP_VAR) {
-                                       zval_dtor(free_op1.var);
-                               }
-                               break;
-                       case ZEND_FETCH_LOCAL:
-                               zval_dtor(free_op1.var);
-                               break;
-                       case ZEND_FETCH_STATIC:
-                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
-                               break;
-                       case ZEND_FETCH_GLOBAL_LOCK:
-                               if (IS_TMP_VAR == IS_VAR && !1) {
-                                       Z_ADDREF_P(EX_VAR(opline->op1.var));
-                               }
-                               break;
-               }
        }
 
 
@@ -11188,11 +11239,35 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_TMP_UNUSED(int type,
                zval_dtor(&tmp_varname);
        }
 
-       if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
-               SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+       if (retval && UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
+               retval = Z_INDIRECT_P(retval);
+       }
+
+       switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
+               case ZEND_FETCH_GLOBAL:
+                       if (IS_TMP_VAR != IS_TMP_VAR) {
+                               zval_dtor(free_op1.var);
+                       }
+                       break;
+               case ZEND_FETCH_LOCAL:
+                       zval_dtor(free_op1.var);
+                       break;
+               case ZEND_FETCH_STATIC:
+                       if (retval) {
+                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
+                       }
+                       break;
+               case ZEND_FETCH_GLOBAL_LOCK:
+                       if (IS_TMP_VAR == IS_VAR && !1) {
+                               Z_ADDREF_P(EX_VAR(opline->op1.var));
+                       }
+                       break;
        }
 
        if (EXPECTED(retval != NULL)) {
+               if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
+                       SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+               }
                if (Z_REFCOUNTED_P(retval)) Z_ADDREF_P(retval);
                switch (type) {
                        case BP_VAR_R:
@@ -11491,6 +11566,9 @@ static int ZEND_FASTCALL  ZEND_ISSET_ISEMPTY_VAR_SPEC_TMP_UNUSED_HANDLER(ZEND_OP
                        if ((value = zend_hash_find(target_symbol_table, Z_STR_P(varname))) == NULL) {
                                isset = 0;
                        }
+                       if (UNEXPECTED(Z_TYPE_P(value) == IS_INDIRECT)) {
+                               value = Z_INDIRECT_P(value);
+                       }
                }
 
                if (IS_TMP_VAR != IS_CONST && varname == &tmp) {
@@ -14494,30 +14572,16 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_VAR_CONST(int type,
                                case BP_VAR_RW:
                                        zend_error(E_NOTICE,"Undefined variable: %s", Z_STRVAL_P(varname));
                                        /* break missing intentionally */
-                               case BP_VAR_W:
-                                       retval = zend_hash_update(target_symbol_table, Z_STR_P(varname), &EG(uninitialized_zval));
+                               case BP_VAR_W: {
+                                          zval zv;
+                                          ZVAL_COPY_VALUE(EX_VAR(opline->result.var), &EG(uninitialized_zval));
+                                          ZVAL_INDIRECT(&zv, EX_VAR(opline->result.var));
+                                          zend_hash_update(target_symbol_table, Z_STR_P(varname), &zv);
+                                       }
                                        break;
                                EMPTY_SWITCH_DEFAULT_CASE()
                        }
                }
-               switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
-                       case ZEND_FETCH_GLOBAL:
-                               if (IS_VAR != IS_TMP_VAR) {
-                                       zval_ptr_dtor_nogc(free_op1.var);
-                               }
-                               break;
-                       case ZEND_FETCH_LOCAL:
-                               zval_ptr_dtor_nogc(free_op1.var);
-                               break;
-                       case ZEND_FETCH_STATIC:
-                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
-                               break;
-                       case ZEND_FETCH_GLOBAL_LOCK:
-                               if (IS_VAR == IS_VAR && !(free_op1.var != NULL)) {
-                                       Z_ADDREF_P(EX_VAR(opline->op1.var));
-                               }
-                               break;
-               }
        }
 
 
@@ -14525,11 +14589,35 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_VAR_CONST(int type,
                zval_dtor(&tmp_varname);
        }
 
-       if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
-               SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+       if (retval && UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
+               retval = Z_INDIRECT_P(retval);
+       }
+
+       switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
+               case ZEND_FETCH_GLOBAL:
+                       if (IS_VAR != IS_TMP_VAR) {
+                               zval_ptr_dtor_nogc(free_op1.var);
+                       }
+                       break;
+               case ZEND_FETCH_LOCAL:
+                       zval_ptr_dtor_nogc(free_op1.var);
+                       break;
+               case ZEND_FETCH_STATIC:
+                       if (retval) {
+                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
+                       }
+                       break;
+               case ZEND_FETCH_GLOBAL_LOCK:
+                       if (IS_VAR == IS_VAR && !(free_op1.var != NULL)) {
+                               Z_ADDREF_P(EX_VAR(opline->op1.var));
+                       }
+                       break;
        }
 
        if (EXPECTED(retval != NULL)) {
+               if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
+                       SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+               }
                if (Z_REFCOUNTED_P(retval)) Z_ADDREF_P(retval);
                switch (type) {
                        case BP_VAR_R:
@@ -15862,6 +15950,9 @@ static int ZEND_FASTCALL  ZEND_ISSET_ISEMPTY_VAR_SPEC_VAR_CONST_HANDLER(ZEND_OPC
                        if ((value = zend_hash_find(target_symbol_table, Z_STR_P(varname))) == NULL) {
                                isset = 0;
                        }
+                       if (UNEXPECTED(Z_TYPE_P(value) == IS_INDIRECT)) {
+                               value = Z_INDIRECT_P(value);
+                       }
                }
 
                if (IS_VAR != IS_CONST && varname == &tmp) {
@@ -19029,30 +19120,16 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_VAR_VAR(int type, ZE
                                case BP_VAR_RW:
                                        zend_error(E_NOTICE,"Undefined variable: %s", Z_STRVAL_P(varname));
                                        /* break missing intentionally */
-                               case BP_VAR_W:
-                                       retval = zend_hash_update(target_symbol_table, Z_STR_P(varname), &EG(uninitialized_zval));
+                               case BP_VAR_W: {
+                                          zval zv;
+                                          ZVAL_COPY_VALUE(EX_VAR(opline->result.var), &EG(uninitialized_zval));
+                                          ZVAL_INDIRECT(&zv, EX_VAR(opline->result.var));
+                                          zend_hash_update(target_symbol_table, Z_STR_P(varname), &zv);
+                                       }
                                        break;
                                EMPTY_SWITCH_DEFAULT_CASE()
                        }
                }
-               switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
-                       case ZEND_FETCH_GLOBAL:
-                               if (IS_VAR != IS_TMP_VAR) {
-                                       zval_ptr_dtor_nogc(free_op1.var);
-                               }
-                               break;
-                       case ZEND_FETCH_LOCAL:
-                               zval_ptr_dtor_nogc(free_op1.var);
-                               break;
-                       case ZEND_FETCH_STATIC:
-                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
-                               break;
-                       case ZEND_FETCH_GLOBAL_LOCK:
-                               if (IS_VAR == IS_VAR && !(free_op1.var != NULL)) {
-                                       Z_ADDREF_P(EX_VAR(opline->op1.var));
-                               }
-                               break;
-               }
        }
 
 
@@ -19060,11 +19137,35 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_VAR_VAR(int type, ZE
                zval_dtor(&tmp_varname);
        }
 
-       if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
-               SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+       if (retval && UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
+               retval = Z_INDIRECT_P(retval);
+       }
+
+       switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
+               case ZEND_FETCH_GLOBAL:
+                       if (IS_VAR != IS_TMP_VAR) {
+                               zval_ptr_dtor_nogc(free_op1.var);
+                       }
+                       break;
+               case ZEND_FETCH_LOCAL:
+                       zval_ptr_dtor_nogc(free_op1.var);
+                       break;
+               case ZEND_FETCH_STATIC:
+                       if (retval) {
+                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
+                       }
+                       break;
+               case ZEND_FETCH_GLOBAL_LOCK:
+                       if (IS_VAR == IS_VAR && !(free_op1.var != NULL)) {
+                               Z_ADDREF_P(EX_VAR(opline->op1.var));
+                       }
+                       break;
        }
 
        if (EXPECTED(retval != NULL)) {
+               if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
+                       SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+               }
                if (Z_REFCOUNTED_P(retval)) Z_ADDREF_P(retval);
                switch (type) {
                        case BP_VAR_R:
@@ -20361,6 +20462,9 @@ static int ZEND_FASTCALL  ZEND_ISSET_ISEMPTY_VAR_SPEC_VAR_VAR_HANDLER(ZEND_OPCOD
                        if ((value = zend_hash_find(target_symbol_table, Z_STR_P(varname))) == NULL) {
                                isset = 0;
                        }
+                       if (UNEXPECTED(Z_TYPE_P(value) == IS_INDIRECT)) {
+                               value = Z_INDIRECT_P(value);
+                       }
                }
 
                if (IS_VAR != IS_CONST && varname == &tmp) {
@@ -21000,30 +21104,16 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_VAR_UNUSED(int type,
                                case BP_VAR_RW:
                                        zend_error(E_NOTICE,"Undefined variable: %s", Z_STRVAL_P(varname));
                                        /* break missing intentionally */
-                               case BP_VAR_W:
-                                       retval = zend_hash_update(target_symbol_table, Z_STR_P(varname), &EG(uninitialized_zval));
+                               case BP_VAR_W: {
+                                          zval zv;
+                                          ZVAL_COPY_VALUE(EX_VAR(opline->result.var), &EG(uninitialized_zval));
+                                          ZVAL_INDIRECT(&zv, EX_VAR(opline->result.var));
+                                          zend_hash_update(target_symbol_table, Z_STR_P(varname), &zv);
+                                       }
                                        break;
                                EMPTY_SWITCH_DEFAULT_CASE()
                        }
                }
-               switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
-                       case ZEND_FETCH_GLOBAL:
-                               if (IS_VAR != IS_TMP_VAR) {
-                                       zval_ptr_dtor_nogc(free_op1.var);
-                               }
-                               break;
-                       case ZEND_FETCH_LOCAL:
-                               zval_ptr_dtor_nogc(free_op1.var);
-                               break;
-                       case ZEND_FETCH_STATIC:
-                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
-                               break;
-                       case ZEND_FETCH_GLOBAL_LOCK:
-                               if (IS_VAR == IS_VAR && !(free_op1.var != NULL)) {
-                                       Z_ADDREF_P(EX_VAR(opline->op1.var));
-                               }
-                               break;
-               }
        }
 
 
@@ -21031,11 +21121,35 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_VAR_UNUSED(int type,
                zval_dtor(&tmp_varname);
        }
 
-       if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
-               SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+       if (retval && UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
+               retval = Z_INDIRECT_P(retval);
+       }
+
+       switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
+               case ZEND_FETCH_GLOBAL:
+                       if (IS_VAR != IS_TMP_VAR) {
+                               zval_ptr_dtor_nogc(free_op1.var);
+                       }
+                       break;
+               case ZEND_FETCH_LOCAL:
+                       zval_ptr_dtor_nogc(free_op1.var);
+                       break;
+               case ZEND_FETCH_STATIC:
+                       if (retval) {
+                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
+                       }
+                       break;
+               case ZEND_FETCH_GLOBAL_LOCK:
+                       if (IS_VAR == IS_VAR && !(free_op1.var != NULL)) {
+                               Z_ADDREF_P(EX_VAR(opline->op1.var));
+                       }
+                       break;
        }
 
        if (EXPECTED(retval != NULL)) {
+               if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
+                       SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+               }
                if (Z_REFCOUNTED_P(retval)) Z_ADDREF_P(retval);
                switch (type) {
                        case BP_VAR_R:
@@ -21623,6 +21737,9 @@ static int ZEND_FASTCALL  ZEND_ISSET_ISEMPTY_VAR_SPEC_VAR_UNUSED_HANDLER(ZEND_OP
                        if ((value = zend_hash_find(target_symbol_table, Z_STR_P(varname))) == NULL) {
                                isset = 0;
                        }
+                       if (UNEXPECTED(Z_TYPE_P(value) == IS_INDIRECT)) {
+                               value = Z_INDIRECT_P(value);
+                       }
                }
 
                if (IS_VAR != IS_CONST && varname == &tmp) {
@@ -31728,30 +31845,16 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_CV_CONST(int type, Z
                                case BP_VAR_RW:
                                        zend_error(E_NOTICE,"Undefined variable: %s", Z_STRVAL_P(varname));
                                        /* break missing intentionally */
-                               case BP_VAR_W:
-                                       retval = zend_hash_update(target_symbol_table, Z_STR_P(varname), &EG(uninitialized_zval));
+                               case BP_VAR_W: {
+                                          zval zv;
+                                          ZVAL_COPY_VALUE(EX_VAR(opline->result.var), &EG(uninitialized_zval));
+                                          ZVAL_INDIRECT(&zv, EX_VAR(opline->result.var));
+                                          zend_hash_update(target_symbol_table, Z_STR_P(varname), &zv);
+                                       }
                                        break;
                                EMPTY_SWITCH_DEFAULT_CASE()
                        }
                }
-               switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
-                       case ZEND_FETCH_GLOBAL:
-                               if (IS_CV != IS_TMP_VAR) {
-
-                               }
-                               break;
-                       case ZEND_FETCH_LOCAL:
-
-                               break;
-                       case ZEND_FETCH_STATIC:
-                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
-                               break;
-                       case ZEND_FETCH_GLOBAL_LOCK:
-                               if (IS_CV == IS_VAR && !0) {
-                                       Z_ADDREF_P(EX_VAR(opline->op1.var));
-                               }
-                               break;
-               }
        }
 
 
@@ -31759,11 +31862,35 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_CV_CONST(int type, Z
                zval_dtor(&tmp_varname);
        }
 
-       if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
-               SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+       if (retval && UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
+               retval = Z_INDIRECT_P(retval);
+       }
+
+       switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
+               case ZEND_FETCH_GLOBAL:
+                       if (IS_CV != IS_TMP_VAR) {
+
+                       }
+                       break;
+               case ZEND_FETCH_LOCAL:
+
+                       break;
+               case ZEND_FETCH_STATIC:
+                       if (retval) {
+                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
+                       }
+                       break;
+               case ZEND_FETCH_GLOBAL_LOCK:
+                       if (IS_CV == IS_VAR && !0) {
+                               Z_ADDREF_P(EX_VAR(opline->op1.var));
+                       }
+                       break;
        }
 
        if (EXPECTED(retval != NULL)) {
+               if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
+                       SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+               }
                if (Z_REFCOUNTED_P(retval)) Z_ADDREF_P(retval);
                switch (type) {
                        case BP_VAR_R:
@@ -32883,6 +33010,9 @@ static int ZEND_FASTCALL  ZEND_ISSET_ISEMPTY_VAR_SPEC_CV_CONST_HANDLER(ZEND_OPCO
                        if ((value = zend_hash_find(target_symbol_table, Z_STR_P(varname))) == NULL) {
                                isset = 0;
                        }
+                       if (UNEXPECTED(Z_TYPE_P(value) == IS_INDIRECT)) {
+                               value = Z_INDIRECT_P(value);
+                       }
                }
 
                if (IS_CV != IS_CONST && varname == &tmp) {
@@ -35920,30 +36050,16 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_CV_VAR(int type, ZEN
                                case BP_VAR_RW:
                                        zend_error(E_NOTICE,"Undefined variable: %s", Z_STRVAL_P(varname));
                                        /* break missing intentionally */
-                               case BP_VAR_W:
-                                       retval = zend_hash_update(target_symbol_table, Z_STR_P(varname), &EG(uninitialized_zval));
+                               case BP_VAR_W: {
+                                          zval zv;
+                                          ZVAL_COPY_VALUE(EX_VAR(opline->result.var), &EG(uninitialized_zval));
+                                          ZVAL_INDIRECT(&zv, EX_VAR(opline->result.var));
+                                          zend_hash_update(target_symbol_table, Z_STR_P(varname), &zv);
+                                       }
                                        break;
                                EMPTY_SWITCH_DEFAULT_CASE()
                        }
                }
-               switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
-                       case ZEND_FETCH_GLOBAL:
-                               if (IS_CV != IS_TMP_VAR) {
-
-                               }
-                               break;
-                       case ZEND_FETCH_LOCAL:
-
-                               break;
-                       case ZEND_FETCH_STATIC:
-                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
-                               break;
-                       case ZEND_FETCH_GLOBAL_LOCK:
-                               if (IS_CV == IS_VAR && !0) {
-                                       Z_ADDREF_P(EX_VAR(opline->op1.var));
-                               }
-                               break;
-               }
        }
 
 
@@ -35951,11 +36067,35 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_CV_VAR(int type, ZEN
                zval_dtor(&tmp_varname);
        }
 
-       if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
-               SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+       if (retval && UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
+               retval = Z_INDIRECT_P(retval);
+       }
+
+       switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
+               case ZEND_FETCH_GLOBAL:
+                       if (IS_CV != IS_TMP_VAR) {
+
+                       }
+                       break;
+               case ZEND_FETCH_LOCAL:
+
+                       break;
+               case ZEND_FETCH_STATIC:
+                       if (retval) {
+                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
+                       }
+                       break;
+               case ZEND_FETCH_GLOBAL_LOCK:
+                       if (IS_CV == IS_VAR && !0) {
+                               Z_ADDREF_P(EX_VAR(opline->op1.var));
+                       }
+                       break;
        }
 
        if (EXPECTED(retval != NULL)) {
+               if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
+                       SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+               }
                if (Z_REFCOUNTED_P(retval)) Z_ADDREF_P(retval);
                switch (type) {
                        case BP_VAR_R:
@@ -37131,6 +37271,9 @@ static int ZEND_FASTCALL  ZEND_ISSET_ISEMPTY_VAR_SPEC_CV_VAR_HANDLER(ZEND_OPCODE
                        if ((value = zend_hash_find(target_symbol_table, Z_STR_P(varname))) == NULL) {
                                isset = 0;
                        }
+                       if (UNEXPECTED(Z_TYPE_P(value) == IS_INDIRECT)) {
+                               value = Z_INDIRECT_P(value);
+                       }
                }
 
                if (IS_CV != IS_CONST && varname == &tmp) {
@@ -37765,30 +37908,16 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_CV_UNUSED(int type,
                                case BP_VAR_RW:
                                        zend_error(E_NOTICE,"Undefined variable: %s", Z_STRVAL_P(varname));
                                        /* break missing intentionally */
-                               case BP_VAR_W:
-                                       retval = zend_hash_update(target_symbol_table, Z_STR_P(varname), &EG(uninitialized_zval));
+                               case BP_VAR_W: {
+                                          zval zv;
+                                          ZVAL_COPY_VALUE(EX_VAR(opline->result.var), &EG(uninitialized_zval));
+                                          ZVAL_INDIRECT(&zv, EX_VAR(opline->result.var));
+                                          zend_hash_update(target_symbol_table, Z_STR_P(varname), &zv);
+                                       }
                                        break;
                                EMPTY_SWITCH_DEFAULT_CASE()
                        }
                }
-               switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
-                       case ZEND_FETCH_GLOBAL:
-                               if (IS_CV != IS_TMP_VAR) {
-
-                               }
-                               break;
-                       case ZEND_FETCH_LOCAL:
-
-                               break;
-                       case ZEND_FETCH_STATIC:
-                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
-                               break;
-                       case ZEND_FETCH_GLOBAL_LOCK:
-                               if (IS_CV == IS_VAR && !0) {
-                                       Z_ADDREF_P(EX_VAR(opline->op1.var));
-                               }
-                               break;
-               }
        }
 
 
@@ -37796,11 +37925,35 @@ static int ZEND_FASTCALL zend_fetch_var_address_helper_SPEC_CV_UNUSED(int type,
                zval_dtor(&tmp_varname);
        }
 
-       if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
-               SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+       if (retval && UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
+               retval = Z_INDIRECT_P(retval);
+       }
+
+       switch (opline->extended_value & ZEND_FETCH_TYPE_MASK) {
+               case ZEND_FETCH_GLOBAL:
+                       if (IS_CV != IS_TMP_VAR) {
+
+                       }
+                       break;
+               case ZEND_FETCH_LOCAL:
+
+                       break;
+               case ZEND_FETCH_STATIC:
+                       if (retval) {
+                               zval_update_constant(retval, (void*) 1 TSRMLS_CC);
+                       }
+                       break;
+               case ZEND_FETCH_GLOBAL_LOCK:
+                       if (IS_CV == IS_VAR && !0) {
+                               Z_ADDREF_P(EX_VAR(opline->op1.var));
+                       }
+                       break;
        }
 
        if (EXPECTED(retval != NULL)) {
+               if (opline->extended_value & ZEND_FETCH_MAKE_REF) {
+                       SEPARATE_ZVAL_TO_MAKE_IS_REF(retval);
+               }
                if (Z_REFCOUNTED_P(retval)) Z_ADDREF_P(retval);
                switch (type) {
                        case BP_VAR_R:
@@ -38275,6 +38428,9 @@ static int ZEND_FASTCALL  ZEND_ISSET_ISEMPTY_VAR_SPEC_CV_UNUSED_HANDLER(ZEND_OPC
                        if ((value = zend_hash_find(target_symbol_table, Z_STR_P(varname))) == NULL) {
                                isset = 0;
                        }
+                       if (UNEXPECTED(Z_TYPE_P(value) == IS_INDIRECT)) {
+                               value = Z_INDIRECT_P(value);
+                       }
                }
 
                if (IS_CV != IS_CONST && varname == &tmp) {