[Webkit-unassigned] [Bug 254821] New: Fix build of SourceBrush.cpp

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=254821

            Bug ID: 254821
           Summary: Fix build of SourceBrush.cpp
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at gnome.org

Can't build SourceBrush.cpp with GCC 13:

In file included from /builddir/build/BUILD/webkitgtk-2.41.1/redhat-linux-build/webkitgtk-6.0/WebCore/DerivedSources/unified-sources/UnifiedSource-3c72abbe-35.cpp:4:
/builddir/build/BUILD/webkitgtk-2.41.1/Source/WebCore/platform/graphics/SourceBrush.cpp: In member function 'void WebCore::SourceBrush::setGradient(WTF::Ref<WebCore::Gradient>&&, const WebCore::AffineTransform&)':
/builddir/build/BUILD/webkitgtk-2.41.1/Source/WebCore/platform/graphics/SourceBrush.cpp:89:82: error: converting to 'std::optional<WebCore::SourceBrush::Brush>' from initializer list would use explicit constructor 'constexpr std::optional<_Tp>::optional(_Up&&) [with _Up = WebCore::SourceBrush::Brush::LogicalGradient; typename std::enable_if<__and_v<std::__not_<std::is_same<std::optional<_Tp>, typename std::remove_cv<typename std::remove_reference<_Iter>::type>::type> >, std::__not_<std::is_same<std::in_place_t, typename std::remove_cv<typename std::remove_reference<_Iter>::type>::type> >, std::is_constructible<_Tp, _Up>, std::__not_<std::is_convertible<_Iter, _Iterator> > >, bool>::type <anonymous> = false; _Tp = WebCore::SourceBrush::Brush]'
   89 |     m_brush = { Brush::LogicalGradient { { WTFMove(gradient) }, spaceTransform } };
      |                                                                                  ^
/builddir/build/BUILD/webkitgtk-2.41.1/Source/WebCore/platform/graphics/SourceBrush.cpp: In member function 'void WebCore::SourceBrush::setPattern(WTF::Ref<WebCore::Pattern>&&)':
/builddir/build/BUILD/webkitgtk-2.41.1/Source/WebCore/platform/graphics/SourceBrush.cpp:94:87: error: converting to 'std::optional<WebCore::SourceBrush::Brush>' from initializer list would use explicit constructor 'constexpr std::optional<_Tp>::optional(_Up&&) [with _Up = std::variant<WebCore::SourceBrush::Brush::LogicalGradient, WTF::Ref<WebCore::Pattern, WTF::RawPtrTraits<WebCore::Pattern> > >; typename std::enable_if<__and_v<std::__not_<std::is_same<std::optional<_Tp>, typename std::remove_cv<typename std::remove_reference<_Iter>::type>::type> >, std::__not_<std::is_same<std::in_place_t, typename std::remove_cv<typename std::remove_reference<_Iter>::type>::type> >, std::is_constructible<_Tp, _Up>, std::__not_<std::is_convertible<_Iter, _Iterator> > >, bool>::type <anonymous> = false; _Tp = WebCore::SourceBrush::Brush]'
   94 |     m_brush = { Brush::Variant { std::in_place_type<Ref<Pattern>>, WTFMove(pattern) } };
      |                                                                                       ^

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