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-rw-r--r--Zend/zend_operators.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Zend/zend_operators.c b/Zend/zend_operators.c
index 7a06fdb04c..3cfa0081a7 100644
--- a/Zend/zend_operators.c
+++ b/Zend/zend_operators.c
@@ -1547,7 +1547,7 @@ ZEND_API int ZEND_FASTCALL concat_function(zval *result, zval *op1, zval *op2) /
if (op1_len > SIZE_MAX - op2_len) {
zend_error(E_EXCEPTION | E_ERROR, "String size overflow");
ZVAL_FALSE(result);
- return;
+ return FAILURE;
}
if (result == op1 && Z_REFCOUNTED_P(result)) {