From a59e0cfce528669642f8199410b267146a30b714 Mon Sep 17 00:00:00 2001 From: Nikita Popov Date: Thu, 20 Jun 2019 12:11:30 +0200 Subject: [PATCH] Disable float division by zero sanitizer for div_function We intentionally divide by zero here and want to get IEEE-754 semantics. --- Zend/zend_operators.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Zend/zend_operators.c b/Zend/zend_operators.c index 14019a5afa..f6ecd42562 100644 --- a/Zend/zend_operators.c +++ b/Zend/zend_operators.c @@ -1263,6 +1263,9 @@ ZEND_API int ZEND_FASTCALL pow_function(zval *result, zval *op1, zval *op2) /* { } /* }}} */ +#ifdef __clang__ +__attribute__((no_sanitize("float-divide-by-zero"))) +#endif ZEND_API int ZEND_FASTCALL div_function(zval *result, zval *op1, zval *op2) /* {{{ */ { zval op1_copy, op2_copy; -- 2.50.1