fix unary operator precision (bug #41401)

diff --git a/Zend/zend_language_parser.y b/Zend/zend_language_parser.y
index 0167453943682a913c5edfcbd06389de13cc1ea5..49d5fd132eeb7001ca0f55e942ba60dd82a03167 100644 (file)
--- a/Zend/zend_language_parser.y
+++ b/Zend/zend_language_parser.y
@@ -592,8 +592,8 @@ expr_without_variable:
        |       expr '%' expr   { zend_do_binary_op(ZEND_MOD, &$$, &$1, &$3 TSRMLS_CC); }
        |       expr T_SL expr  { zend_do_binary_op(ZEND_SL, &$$, &$1, &$3 TSRMLS_CC); }
        |       expr T_SR expr  { zend_do_binary_op(ZEND_SR, &$$, &$1, &$3 TSRMLS_CC); }
-       |       '+' expr { Z_LVAL($1.u.constant)=0; Z_TYPE($1.u.constant)=IS_LONG; $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_ADD, &$$, &$1, &$2 TSRMLS_CC); }
-       |       '-' expr { Z_LVAL($1.u.constant)=0; Z_TYPE($1.u.constant)=IS_LONG; $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_SUB, &$$, &$1, &$2 TSRMLS_CC); }
+       |       '+' expr %prec T_INC { Z_LVAL($1.u.constant)=0; Z_TYPE($1.u.constant)=IS_LONG; $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_ADD, &$$, &$1, &$2 TSRMLS_CC); }
+       |       '-' expr %prec T_INC { Z_LVAL($1.u.constant)=0; Z_TYPE($1.u.constant)=IS_LONG; $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_SUB, &$$, &$1, &$2 TSRMLS_CC); }
        |       '!' expr { zend_do_unary_op(ZEND_BOOL_NOT, &$$, &$2 TSRMLS_CC); }
        |       '~' expr { zend_do_unary_op(ZEND_BW_NOT, &$$, &$2 TSRMLS_CC); }
        |       expr T_IS_IDENTICAL expr                { zend_do_binary_op(ZEND_IS_IDENTICAL, &$$, &$1, &$3 TSRMLS_CC); }