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From 6b633c4b14850df376d5cec571699018772f358e Mon Sep 17 00:00:00 2001
From: Tomas Popela <tomas.popela@gmail.com>
Date: Tue, 17 Sep 2019 19:48:48 +0000
Subject: [PATCH] GCC: Can't use alignas() together with __attribute__()
It's because GCC has problems when mixing the alignas() together with
__attribute__() (that is used to export the symbols). The best
solution is to use ALIGNAS() macro from //base/compiler_specific.h
together with alignof() to have the equal functionality that compiles on
GCC as well as on clang.
Bug: 819294
Change-Id: Ieb169592a2965f17a18bfc88d28418eb723a4e5a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1806735
Auto-Submit: Tomáš Popela <tomas.popela@gmail.com>
Commit-Queue: Alex Clarke <alexclarke@chromium.org>
Reviewed-by: Alex Clarke <alexclarke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#697330}
---
diff --git a/base/task/promise/dependent_list.h b/base/task/promise/dependent_list.h
index 020bdbfc..3245c1c 100644
--- a/base/task/promise/dependent_list.h
+++ b/base/task/promise/dependent_list.h
@@ -59,7 +59,7 @@
// Align Node on an 8-byte boundary to ensure the first 3 bits are 0 and can
// be used to store additional state (see static_asserts below).
- class BASE_EXPORT alignas(8) Node {
+ class BASE_EXPORT ALIGNAS(8) Node {
public:
Node();
explicit Node(Node&& other) noexcept;
From 8148fd96ae04a1150a9c6012634dcd2a7335f87a Mon Sep 17 00:00:00 2001
From: Tomas Popela <tomas.popela@gmail.com>
Date: Tue, 20 Aug 2019 05:23:14 +0000
Subject: [PATCH] GCC: Can't use alignas() together with __attribute__()
It's because GCC has problems when mixing the alignas() together with
__attribute__() (that is used to export the symbols). The best
solution is to use ALIGNAS() macro from //base/compiler_specific.h
together with alignof() to have the equal functionality that compiles on
GCC as well as on clang.
This is a regression after https://crrev.com/659933.
Bug: 994581
Change-Id: Ia376866ff9ac57d52d2e907fa325ae5a51893d07
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1758064
Reviewed-by: Eric Willigers <ericwilligers@chromium.org>
Commit-Queue: Eric Willigers <ericwilligers@chromium.org>
Commit-Queue: Tomáš Popela <tomas.popela@gmail.com>
Auto-Submit: Tomáš Popela <tomas.popela@gmail.com>
Cr-Commit-Position: refs/heads/master@{#688417}
---
diff --git a/third_party/blink/renderer/core/css/css_property_value_set.h b/third_party/blink/renderer/core/css/css_property_value_set.h
index 67b353d..1bd404e 100644
--- a/third_party/blink/renderer/core/css/css_property_value_set.h
+++ b/third_party/blink/renderer/core/css/css_property_value_set.h
@@ -175,8 +175,8 @@
DISALLOW_COPY_AND_ASSIGN(CSSLazyPropertyParser);
};
-class CORE_EXPORT alignas(Member<const CSSValue>) alignas(
- CSSPropertyValueMetadata) ImmutableCSSPropertyValueSet
+class CORE_EXPORT ALIGNAS(alignof(Member<const CSSValue>))
+ ALIGNAS(alignof(CSSPropertyValueMetadata)) ImmutableCSSPropertyValueSet
: public CSSPropertyValueSet {
public:
ImmutableCSSPropertyValueSet(const CSSPropertyValue*,
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