From: Nikita Popov <nikita.ppv@gmail.com>
Date: Thu, 20 Jun 2019 08:35:22 +0000 (+0200)
Subject: Fix maybe uninit warning
X-Git-Tag: php-7.4.0alpha2~40
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e162a1c02e2e233b6b1a23bb651a0fb6d344a474;p=php

Fix maybe uninit warning
---

diff --git a/ext/opcache/Optimizer/zend_inference.c b/ext/opcache/Optimizer/zend_inference.c
index e032005964..e58f8fc53b 100644
--- a/ext/opcache/Optimizer/zend_inference.c
+++ b/ext/opcache/Optimizer/zend_inference.c
@@ -627,6 +627,9 @@ static int zend_inference_calc_binary_op_range(
 				op2_min = OP2_MIN_RANGE();
 				op1_max = OP1_MAX_RANGE();
 				op2_max = OP2_MAX_RANGE();
+				/* Suppress uninit variable warnings, these will only be used if the overflow
+				 * flags are all false. */
+				t1 = t2 = t3 = t4 = 0;
 				ZEND_SIGNED_MULTIPLY_LONG(op1_min, op2_min, t1, dummy, t1_overflow);
 				ZEND_SIGNED_MULTIPLY_LONG(op1_min, op2_max, t2, dummy, t2_overflow);
 				ZEND_SIGNED_MULTIPLY_LONG(op1_max, op2_min, t3, dummy, t3_overflow);