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From 9348d1c7fbbd9fcbb1702c0c6d81c723ec0b6879 Mon Sep 17 00:00:00 2001
From: Gilles Dartiguelongue <eva@gentoo.org>
Date: Sun, 19 Oct 2014 19:40:21 +0200
Subject: [PATCH 3/4] Use system malloc for IA64

https://bugs.webkit.org/show_bug.cgi?id=129542
---
 Source/WTF/wtf/Platform.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Source/WTF/wtf/Platform.h b/Source/WTF/wtf/Platform.h
index d9afcd7..c4cf1d2 100644
--- a/Source/WTF/wtf/Platform.h
+++ b/Source/WTF/wtf/Platform.h
@@ -662,6 +662,13 @@
 #endif
 #endif /* !defined(WTF_USE_JSVALUE64) && !defined(WTF_USE_JSVALUE32_64) */
 
+/* FIXME: The fast malloc implementation is broken on Itanium / IA64 because
+   some memory barriers are missing in the thread-unsafe code around the
+   pagemap_cache_ object. */
+#if CPU(IA64) || CPU(IA64_32)
+#define USE_SYSTEM_MALLOC 1
+#endif
+
 /* The JIT is enabled by default on all x86, x86-64, ARM & MIPS platforms except ARMv7k and Windows. */
 #if !defined(ENABLE_JIT) \
     && (CPU(X86) || CPU(X86_64) || CPU(ARM) || CPU(ARM64) || CPU(MIPS)) \
-- 
2.1.2