base/allocator/debugallocation_shim.cc - Issue 2244983002: -fno-auto-profile is only available beginning with stock GCC 5

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Issue 2244983002: -fno-auto-profile is only available beginning with stock GCC 5 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: add chromeos logic Created 4 years, 4 months ago

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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.	1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 // Workaround for crosbug:629593. Using AFDO on the tcmalloc files is	5 // Workaround for crosbug:629593. Using AFDO on the tcmalloc files is

6 // causing problems. The tcmalloc files depend on stack layouts and	6 // causing problems. The tcmalloc files depend on stack layouts and

7 // AFDO can mess with them. Better not to use AFDO there. This is a	7 // AFDO can mess with them. Better not to use AFDO there. This is a

8 // temporary hack. We will add a mechanism in the build system to	8 // temporary hack. We will add a mechanism in the build system to

9 // avoid using -fauto-profile for tcmalloc files.	9 // avoid using -fauto-profile for tcmalloc files.

10 #if !defined(__clang__)	10 #if !defined(__clang__) && (defined(OS_CHROMEOS) \|\| __GNUC__ > 5)

	11 // Note that this option only seems to be available in the chromeos GCC 4.9

	12 // toolchain, and stock GCC 5 and up.

11 #pragma GCC optimize ("no-auto-profile")	13 #pragma GCC optimize ("no-auto-profile")

12 #endif	14 #endif

13	15

14 #if defined(TCMALLOC_FOR_DEBUGALLOCATION)	16 #if defined(TCMALLOC_FOR_DEBUGALLOCATION)

15 #include "third_party/tcmalloc/chromium/src/debugallocation.cc"	17 #include "third_party/tcmalloc/chromium/src/debugallocation.cc"

16 #else	18 #else

17 #include "third_party/tcmalloc/chromium/src/tcmalloc.cc"	19 #include "third_party/tcmalloc/chromium/src/tcmalloc.cc"

18 #endif	20 #endif

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