[Webkit-unassigned] [Bug 214815] New: DisallowVMEntryImpl should not have explicitly-declared copy constructor

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=214815

            Bug ID: 214815
           Summary: DisallowVMEntryImpl should not have
                    explicitly-declared copy constructor
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jh718.park at samsung.com

In file included from DerivedSources/ForwardingHeaders/wtf/Seconds.h:29,
                 from DerivedSources/ForwardingHeaders/wtf/WallTime.h:29,
                 from DerivedSources/ForwardingHeaders/wtf/ThreadingPrimitives.h:37,
                 from DerivedSources/ForwardingHeaders/wtf/MainThread.h:35,
                 from DerivedSources/ForwardingHeaders/wtf/NeverDestroyed.h:31,
                 from DerivedSources/ForwardingHeaders/wtf/text/AtomString.h:24,
                 from DerivedSources/ForwardingHeaders/wtf/text/WTFString.h:690,
                 from ../../Source/WebCore/dom/Exception.h:30,
                 from ../../Source/WebCore/dom/ExceptionOr.h:29,
                 from ../../Source/WebCore/bindings/js/JSDOMBinding.h:28,
                 from ../../Source/WebCore/bindings/js/JSDOMMapLike.h:28,
                 from ../../Source/WebCore/bindings/js/JSDOMMapLike.cpp:27,
                 from DerivedSources/WebCore/unified-sources/UnifiedSource-68aea4ac-6.cpp:1:
DerivedSources/ForwardingHeaders/wtf/Optional.h: In instantiation of ‘WTF::Optional< <template-parameter-1-1> >& WTF::Optional< <template-parameter-1-1> >::operator=(const WTF::Optional< <template-parameter-1-1> >&) [with T = JSC::DisallowVMEntryImpl<JSC::VM>]’:
DerivedSources/ForwardingHeaders/JavaScriptCore/PropertySlot.h:87:7:   required from here
DerivedSources/ForwardingHeaders/wtf/Optional.h:465:84: warning: implicitly-declared ‘constexpr JSC::DisallowVMEntryImpl<JSC::VM>& JSC::DisallowVMEntryImpl<JSC::VM>::operator=(const JSC::DisallowVMEntryImpl<JSC::VM>&)’ is deprecated [-Wdeprecated-copy]
  465 |     else if (initialized() == true  && rhs.initialized() == true)  contained_val() = *rhs;
In file included from DerivedSources/ForwardingHeaders/JavaScriptCore/VM.h:38,
                 from DerivedSources/ForwardingHeaders/JavaScriptCore/Identifier.h:24,
                 from DerivedSources/WebCore/JSDOMBindingInternalsBuiltins.h:34,
                 from DerivedSources/WebCore/WebCoreJSBuiltinInternals.h:39,
                 from ../../Source/WebCore/bindings/js/JSDOMGlobalObject.h:29,
                 from ../../Source/WebCore/bindings/js/DOMWrapperWorld.h:24,
                 from ../../Source/WebCore/bindings/js/JSDOMWrapperCache.h:26,
                 from ../../Source/WebCore/bindings/js/JSDOMBinding.h:29,
                 from ../../Source/WebCore/bindings/js/JSDOMMapLike.h:28,
                 from ../../Source/WebCore/bindings/js/JSDOMMapLike.cpp:27,
                 from DerivedSources/WebCore/unified-sources/UnifiedSource-68aea4ac-6.cpp:1:
DerivedSources/ForwardingHeaders/JavaScriptCore/DisallowVMEntry.h:46:5: note: because ‘JSC::DisallowVMEntryImpl<JSC::VM>’ has user-provided ‘JSC::DisallowVMEntryImpl<VMType>::DisallowVMEntryImpl(const JSC::DisallowVMEntryImpl<VMType>&) [with VMType = JSC::VM]’
   46 |     DisallowVMEntryImpl(const DisallowVMEntryImpl& other)
      |     ^~~~~~~~~~~~~~~~~~~

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