[Webkit-unassigned] [Bug 246292] New: -Wfree-nonheap-object from CSSValue.h

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=246292

            Bug ID: 246292
           Summary: -Wfree-nonheap-object from CSSValue.h
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at gnome.org

254846 at main introduced a new GCC warning:

[3805/7121] Building CXX object Source/WebCore/CMakeFiles...edSources/unified-sources/UnifiedSource-2f84417a-11.cpp.o
In file included from /home/mcatanzaro/Projects/WebKit/Source/WebCore/css/CSSPrimitiveValue.h:26,
                 from /home/mcatanzaro/Projects/WebKit/Source/WebCore/css/CSSValuePool.h:28,
                 from /home/mcatanzaro/Projects/WebKit/Source/WebCore/css/CSSValuePool.cpp:27,
                 from /home/mcatanzaro/Projects/WebKit/WebKitBuild/gtk3/WebCore/DerivedSources/unified-sources/UnifiedSource-2f84417a-11.cpp:1:
In member function ‘void WebCore::CSSValue::deref() const’,
    inlined from ‘WTF::Ref<T, <template-parameter-1-2> >::~Ref() [with T = WebCore::CSSPrimitiveValue; Traits = WTF::RawPtrTraits<WebCore::CSSPrimitiveValue>]’ at /home/mcatanzaro/Projects/WebKit/WebKitBuild/gtk3/WTF/Headers/wtf/Ref.h:61:23,
    inlined from ‘WTF::Ref<WebCore::CSSValue> WebCore::valueForContainIntrinsicSize(const RenderStyle&, const ContainIntrinsicSizeType&, std::optional<Length>)’ at /home/mcatanzaro/Projects/WebKit/Source/WebCore/css/ComputedStyleExtractor.cpp:1817:5:
/home/mcatanzaro/Projects/WebKit/Source/WebCore/css/CSSValue.h:258:16: warning: ‘static void WebCore::CSSValue::operator delete(WebCore::CSSValue*, std::destroying_delete_t)’ called on unallocated object ‘WebCore::staticCSSValuePool’ [-Wfree-nonheap-object]
  258 |         delete this;


I've never seen -Wfree-nonheap-object before ever. Cool.

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