Upstream-status: Inapproriate
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Upstream suggests to use Chromium's hermetic clang
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instead.
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Signed-off-by: Maksim Sisov <msisov@igalia.com>
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---
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From bde3186ccba169391fb428fcc296b2236ada0010 Mon Sep 17 00:00:00 2001
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From: Maksim Sisov <msisov@igalia.com>
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Date: Wed, 5 May 2021 15:20:43 +0300
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Subject: [PATCH] nomerge attribute on declaration is only available since
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clang 12
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This change fixes builds with older clangs that do not allow
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nomerge attributes on declaration. Otherwise, the following error
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is produced -
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build error: 'nomerge' attribute cannot be applied to a declaration
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See https://reviews.llvm.org/D92800
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Change-Id: I32e1f7dc9049737d54d8a16de5308aa5aae1ced1
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---
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base/compiler_specific.h | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/base/compiler_specific.h b/base/compiler_specific.h
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index d53387f3dbe3c..ba6f41001892e 100644
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--- a/base/compiler_specific.h
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+++ b/base/compiler_specific.h
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@@ -365,7 +365,8 @@ inline constexpr bool AnalyzerAssumeTrue(bool arg) {
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#endif // defined(__clang_analyzer__)
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// Use nomerge attribute to disable optimization of merging multiple same calls.
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-#if defined(__clang__) && __has_attribute(nomerge)
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+#if defined(__clang__) && (__clang_major__ >= 12) && \
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+ __has_attribute(nomerge) && !defined(OS_CHROMEOS)
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#define NOMERGE [[clang::nomerge]]
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#else
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#define NOMERGE
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