more fixes from gentoo

chromium-79-gcc-alignas.patch

@@ -0,0 +1,68 @@
+Re-use chromium alignas workaround in protobuf.
+---
+
+diff --git a/third_party/protobuf/src/google/protobuf/arena.h b/third_party/protobuf/src/google/protobuf/arena.h
+index dedc221..a8515ce 100644
+--- a/third_party/protobuf/src/google/protobuf/arena.h
++++ b/third_party/protobuf/src/google/protobuf/arena.h
+@@ -245,7 +245,7 @@ struct ArenaOptions {
+ // well as protobuf container types like RepeatedPtrField and Map. The protocol
+ // is internal to protobuf and is not guaranteed to be stable. Non-proto types
+ // should not rely on this protocol.
+-class PROTOBUF_EXPORT alignas(8) Arena final {
++class PROTOBUF_EXPORT PROTOBUF_ALIGNAS(8) Arena final {
+  public:
+   // Arena constructor taking custom options. See ArenaOptions below for
+   // descriptions of the options available.
+diff --git a/third_party/protobuf/src/google/protobuf/port_def.inc b/third_party/protobuf/src/google/protobuf/port_def.inc
+index f1bd85d..6d02b53 100644
+--- a/third_party/protobuf/src/google/protobuf/port_def.inc
++++ b/third_party/protobuf/src/google/protobuf/port_def.inc
+@@ -528,6 +528,35 @@ PROTOBUF_EXPORT_TEMPLATE_TEST(DEFAULT, __declspec(dllimport));
+ #undef IN
+ #endif  // _MSC_VER
+ 
++// Specify memory alignment for structs, classes, etc.
++// Use like:
++//   class PROTOBUF_ALIGNAS(16) MyClass { ... }
++//   PROTOBUF_ALIGNAS(16) int array[4];
++//
++// In most places you can use the C++11 keyword "alignas", which is preferred.
++//
++// But compilers have trouble mixing __attribute__((...)) syntax with
++// alignas(...) syntax.
++//
++// Doesn't work in clang or gcc:
++//   struct alignas(16) __attribute__((packed)) S { char c; };
++// Works in clang but not gcc:
++//   struct __attribute__((packed)) alignas(16) S2 { char c; };
++// Works in clang and gcc:
++//   struct alignas(16) S3 { char c; } __attribute__((packed));
++//
++// There are also some attributes that must be specified *before* a class
++// definition: visibility (used for exporting functions/classes) is one of
++// these attributes. This means that it is not possible to use alignas() with a
++// class that is marked as exported.
++#if defined(_MSC_VER)
++#define PROTOBUF_ALIGNAS(byte_alignment) __declspec(align(byte_alignment))
++#elif defined(__GNUC__)
++#define PROTOBUF_ALIGNAS(byte_alignment) __attribute__((aligned(byte_alignment)))
++#else
++#define PROTOBUF_ALIGNAS(byte_alignment) alignas(byte_alignment)
++#endif
++
+ #if defined(__clang__)
+ #pragma clang diagnostic push
+ // TODO(gerbens) ideally we cleanup the code. But a cursory try shows many
+diff --git a/third_party/protobuf/src/google/protobuf/port_undef.inc b/third_party/protobuf/src/google/protobuf/port_undef.inc
+index b7e67fe..ba1fffc 100644
+--- a/third_party/protobuf/src/google/protobuf/port_undef.inc
++++ b/third_party/protobuf/src/google/protobuf/port_undef.inc
+@@ -80,6 +80,7 @@
+ #undef PROTOBUF_EXPORT_TEMPLATE_STYLE_MATCH_foj3FJo5StF0OvIzl7oMxA__declspec
+ #undef PROTOBUF_EXPORT_TEMPLATE_STYLE_MATCH_DECLSPEC_dllexport
+ #undef PROTOBUF_EXPORT_TEMPLATE_STYLE_MATCH_DECLSPEC_dllimport
++#undef PROTOBUF_ALIGNAS
+ 
+ 
+ 

chromium-83-gcc-compatibility.patch

@@ -0,0 +1,25 @@
+From 55ce03222ee4c5ed2442278264028f6fb5bffa34 Mon Sep 17 00:00:00 2001
+From: David Seifert <david.seifert@gmail.com>
+Date: Sun, 03 May 2020 17:05:43 +0200
+Subject: [PATCH] Add compatibility workaround for GCC 6/7/8
+
+Bug: 819294
+Change-Id: I632c4ecf7d7f9876b37a6cff05c0408125656257
+---
+
+diff --git a/third_party/blink/renderer/platform/wtf/hash_table.h b/third_party/blink/renderer/platform/wtf/hash_table.h
+index 5a4468d..9dc95fa 100644
+--- a/third_party/blink/renderer/platform/wtf/hash_table.h
++++ b/third_party/blink/renderer/platform/wtf/hash_table.h
+@@ -673,7 +673,10 @@
+     return IsEmptyBucket(key) || IsDeletedBucket(key);
+   }
+   static bool IsEmptyOrDeletedBucketSafe(const Value& value) {
+-    alignas(std::max(alignof(Key), sizeof(size_t))) char buf[sizeof(Key)];
++    // GCC 6, 7 and 8 require this indirection due to a constexpr bug:
++    //   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94929
++    constexpr size_t kAlignment = std::max(alignof(Key), sizeof(size_t));
++    alignas(kAlignment) char buf[sizeof(Key)];
+     const Key& key = Extractor::ExtractSafe(value, &buf);
+     return IsEmptyBucket(key) || IsDeletedBucket(key);
+   }

chromium.spec

@@ -167,7 +167,7 @@ Name:		chromium%{chromium_channel}%{nsuffix}
 Name:		chromium%{chromium_channel}
 %endif
 Version:	%{majorversion}.0.4103.97
-Release:	1%{?dist}
+Release:	2%{?dist}
 %if %{?freeworld}
 %if %{?shared}
 # chromium-libs-media-freeworld
@@ -265,6 +265,10 @@ Patch86:	chromium-83-gcc-iterator.patch
 Patch87:	chromium-83-gcc-serviceworker.patch
 # https://chromium.googlesource.com/chromium/src/+/0d3ef4b1247f766eed37c546571a2c872fde2bf2%5E%21/#F0
 Patch88:	chromium-83-gcc-ozone-wayland.patch
+# https://gitweb.gentoo.org/repo/gentoo.git/plain/www-client/chromium/files/chromium-79-gcc-alignas.patch
+Patch89:	chromium-79-gcc-alignas.patch
+# https://gitweb.gentoo.org/repo/gentoo.git/plain/www-client/chromium/files/chromium-83-gcc-compatibility.patch
+Patch90:	chromium-83-gcc-compatibility.patch
 
 
 # Use lstdc++ on EPEL7 only
@@ -842,6 +846,8 @@ udev.
 %patch86 -p1 -b .gcc-iterator2
 %patch87 -p1 -b .gcc-serviceworker
 %patch88 -p1 -b .gcc-ozone-wayland
+%patch89 -p1 -b .gcc-alignas
+%patch90 -p1 -b .gcc-compatibility
 
 # Fedora branded user agent
 %if 0%{?fedora}
@@ -1797,6 +1803,9 @@ getent group chrome-remote-desktop >/dev/null || groupadd -r chrome-remote-deskt
 
 
 %changelog
+* Mon Jun  8 2020 Tom Callaway <spot@fedoraproject.org> - 83.0.4103.97-2
+- more fixes from gentoo
+
 * Sun Jun  7 2020 Tom Callaway <spot@fedoraproject.org> - 83.0.4103.97-1
 - update to 83.0.4103.97