From: Dmitry Stogov <dmitry@zend.com>
Date: Fri, 17 Jul 2020 10:03:35 +0000 (+0300)
Subject: Side exit on overflow
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=83478d4fe0e186b4ce2505b44f73a38896dd5d71;p=php

Side exit on overflow
---

diff --git a/ext/opcache/jit/zend_jit_trace.c b/ext/opcache/jit/zend_jit_trace.c
index b73177ee58..f04bfc6442 100644
--- a/ext/opcache/jit/zend_jit_trace.c
+++ b/ext/opcache/jit/zend_jit_trace.c
@@ -883,6 +883,11 @@ static int is_checked_guard(const zend_ssa *tssa, const zend_op **ssa_opcodes, u
 				 || opline->opcode == ZEND_POST_DEC
 				 || opline->opcode == ZEND_POST_INC) {
 					return 1;
+				} else if (opline->opcode == ZEND_ASSIGN_OP
+				 && (opline->extended_value == ZEND_ADD
+				  || opline->extended_value == ZEND_SUB
+				  || opline->extended_value == ZEND_MUL)) {
+					return 1;
 				}
 			}
 			if (tssa->ops[idx].result_def == var) {