2019-07-24 22:58:51 +00:00
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: deepak1556 <hop2deep@gmail.com>
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Date: Tue, 16 Jul 2019 14:38:52 -0700
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2019-08-24 01:14:23 +00:00
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Subject: build_win_disable_zc_twophase.patch
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2019-07-24 22:58:51 +00:00
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2019-08-24 01:14:23 +00:00
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Temporarily disable /Zc:twoPhase when libcxx is not used on
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Windows. This is to workaround the bug in crbug.com/969698#c10
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2019-07-24 22:58:51 +00:00
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until fixes have landed in upstream.
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diff --git a/build/config/win/BUILD.gn b/build/config/win/BUILD.gn
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2019-09-21 14:51:28 +00:00
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index a3a164b41b45381061c7fceb7d7ec1fdb4907792..8de0cb6a8d1987f84aaca5c3bb30ead0a2019bef 100644
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2019-07-24 22:58:51 +00:00
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--- a/build/config/win/BUILD.gn
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+++ b/build/config/win/BUILD.gn
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@@ -2,6 +2,7 @@
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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+import("//build/config/c++/c++.gni")
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import("//build/config/chrome_build.gni")
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import("//build/config/clang/clang.gni")
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import("//build/config/compiler/compiler.gni")
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2019-08-24 01:14:23 +00:00
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@@ -61,9 +62,13 @@ config("compiler") {
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2019-07-24 22:58:51 +00:00
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"/FS", # Preserve previous PDB behavior.
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"/bigobj", # Some of our files are bigger than the regular limits.
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"/utf-8", # Assume UTF-8 by default to avoid code page dependencies.
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- "/Zc:twoPhase",
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]
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+ if (use_custom_libcxx) {
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+ # Work around crbug.com/969698#c6, bug in MSSTL <xxatomic>.
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+ cflags += [ "/Zc:twoPhase" ]
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+ }
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+
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# Force C/C++ mode for the given GN detected file type. This is necessary
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# for precompiled headers where the same source file is compiled in both
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# modes.
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