[Webkit-unassigned] [Bug 208711] New: [GTK][WPE] Build failure after a clean build around r257995

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=208711

            Bug ID: 208711
           Summary: [GTK][WPE] Build failure after a clean build around
                    r257995
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKitGTK
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: clopez at igalia.com
                CC: bugs-noreply at webkitgtk.org

A build failure happens on GTK and WPE after a clean build in r257995 (this is the revision I'm testing; doesn't mean it caused it.. it may have been a previous issue, the failure doesn't trigger if you build continuously instead from a clean build)

It has been detected in the EWS bots since those bots do a clean build after a patch doesn't build, but the bots at build.webkit.org always build continously

The failure is this one:

Sources/WebCore/JSInternalSettingsGenerated.cpp.o.d -o Source/WebCore/CMakeFiles/WebCoreTestSupport.dir/__/__/DerivedSources/WebCore/JSInternalSettingsGenerated.cpp.o -c DerivedSources/WebCore/JSInternalSettingsGenerated.cpp
DerivedSources/WebCore/JSInternalSettingsGenerated.cpp: In static member function ‘static JSC::IsoSubspace* WebCore::JSInternalSettingsGenerated::subspaceForImpl(JSC::VM&)’:
DerivedSources/WebCore/JSInternalSettingsGenerated.cpp:5927:30: error: ‘class WebCore::DOMIsoSubspaces’ has no member named ‘m_subspaceForInternalSettingsGenerated’; did you mean ‘m_subspaceForInternalSettings’?
     if (auto* space = spaces.m_subspaceForInternalSettingsGenerated.get())
                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                              m_subspaceForInternalSettings
DerivedSources/WebCore/JSInternalSettingsGenerated.cpp:5931:16: error: ‘class WebCore::DOMIsoSubspaces’ has no member named ‘m_subspaceForInternalSettingsGenerated’; did you mean ‘m_subspaceForInternalSettings’?
         spaces.m_subspaceForInternalSettingsGenerated = makeUnique<IsoSubspace> ISO_SUBSPACE_INIT(vm.heap, vm.destructibleObjectHeapCellType.get(), JSInternalSettingsGenerated);
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                m_subspaceForInternalSettings
DerivedSources/WebCore/JSInternalSettingsGenerated.cpp:5933:16: error: ‘class WebCore::DOMIsoSubspaces’ has no member named ‘m_subspaceForInternalSettingsGenerated’; did you mean ‘m_subspaceForInternalSettings’?
         spaces.m_subspaceForInternalSettingsGenerated = makeUnique<IsoSubspace> ISO_SUBSPACE_INIT(vm.heap, vm.cellHeapCellType.get(), JSInternalSettingsGenerated);
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                m_subspaceForInternalSettings
DerivedSources/WebCore/JSInternalSettingsGenerated.cpp:5934:26: error: ‘class WebCore::DOMIsoSubspaces’ has no member named ‘m_subspaceForInternalSettingsGenerated’; did you mean ‘m_subspaceForInternalSettings’?
     auto* space = spaces.m_subspaceForInternalSettingsGenerated.get();
                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                          m_subspaceForInternalSettings


And its tricky because it only triggers once, and if you try to re-build after it has triggered then it will build fine. So it only fails once :? That also explain why the EWS its only failing for patches not failing to build (because it triggers clean build after a patch fails to build), but on those building fine it will pass since it tries the patch from a previous rebuild.

So to trigger this you have to test always from a clean build.

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