From: Nikita Popov <nikita.ppv@gmail.com>
Date: Mon, 5 Mar 2018 15:29:46 +0000 (+0100)
Subject: Fix incorrect GC_NUM2ADDR usage
X-Git-Tag: php-7.3.0alpha1~258
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a0563aa7bcec1e9fd1d3917fbf776cc0ff09a142;p=php

Fix incorrect GC_NUM2ADDR usage

Both first_unused and GC_MAX_UNCOMPRESSED are addresses, so we
should compare them directly.
---

diff --git a/Zend/zend_gc.c b/Zend/zend_gc.c
index 89aedfd5c2..662f9b01f7 100644
--- a/Zend/zend_gc.c
+++ b/Zend/zend_gc.c
@@ -609,7 +609,7 @@ ZEND_API void ZEND_FASTCALL gc_remove_from_buffer(zend_refcounted *ref)
 	GC_REF_SET_INFO(ref, 0);
 
 	/* Perform decopression only in case of large buffers */
-	if (UNEXPECTED(GC_G(first_unused) >= GC_NUM2ADDR(GC_MAX_UNCOMPRESSED))) {
+	if (UNEXPECTED(GC_G(first_unused) >= GC_MAX_UNCOMPRESSED)) {
 		gc_remove_compressed(ref, addr);
 		return;
 	}