initialiize opline for the case it lands in default case

diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
index ebbb0050883c8ff56839a8bdbfa3f55107c82d96..c3a572a04d5dffdc8acae45c2a16877879cd3d4e 100644 (file)
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -5468,7 +5468,7 @@ void zend_compile_isset_or_empty(znode *result, zend_ast *ast TSRMLS_DC) /* {{{
        zend_ast *var_ast = ast->child[0];
 
        znode var_node;
-       zend_op *opline;
+       zend_op *opline = NULL;
 
        ZEND_ASSERT(ast->kind == ZEND_AST_ISSET || ast->kind == ZEND_AST_EMPTY);