[Webkit-unassigned] [Bug 155427] New: [GTK] Fails to build randomly when generating LLIntDesiredOffsets.h

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=155427

            Bug ID: 155427
           Summary: [GTK] Fails to build randomly when generating
                    LLIntDesiredOffsets.h
    Classification: Unclassified
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: berto at igalia.com
                CC: bugs-noreply at webkitgtk.org

Created attachment 273945
  --> https://bugs.webkit.org/attachment.cgi?id=273945&action=review
Full build log (ppc64el)

This error doesn't happen often, but I've seen it a few times. The last one with webkitgtk 2.10.8:

[  4%] Generating ../../DerivedSources/JavaScriptCore/LLIntDesiredOffsets.h
cd /«PKGBUILDDIR»/obj-powerpc64le-linux-gnu/Source/JavaScriptCore && /usr/bin/ruby /«PKGBUILDDIR»/Source/JavaScriptCore/offlineasm/generate_offset_extractor.rb -I/«PKGBUILDDIR»/obj-powerpc64le-linux-gnu/DerivedSources/JavaScriptCore/ /«PKGBUILDDIR»/Source/JavaScriptCore/llint/LowLevelInterpreter.asm /«PKGBUILDDIR»/obj-powerpc64le-linux-gnu/DerivedSources/JavaScriptCore/LLIntDesiredOffsets.h
/«PKGBUILDDIR»/Source/JavaScriptCore/offlineasm/parser.rb:64:in `processIncludeOptions': undefined method `[]' for nil:NilClass (NoMethodError)
    from /«PKGBUILDDIR»/Source/JavaScriptCore/offlineasm/generate_offset_extractor.rb:37:in `<main>'
Source/JavaScriptCore/CMakeFiles/LLIntOffsetsExtractor.dir/build.make:86: recipe for target 'DerivedSources/JavaScriptCore/LLIntDesiredOffsets.h' failed
make[3]: *** [DerivedSources/JavaScriptCore/LLIntDesiredOffsets.h] Error 1
make[3]: Leaving directory '/«PKGBUILDDIR»/obj-powerpc64le-linux-gnu'
CMakeFiles/Makefile2:440: recipe for target 'Source/JavaScriptCore/CMakeFiles/LLIntOffsetsExtractor.dir/all' failed
make[2]: *** [Source/JavaScriptCore/CMakeFiles/LLIntOffsetsExtractor.dir/all] Error 2
make[2]: *** Waiting for unfinished jobs....

This was built with make -j4. I'm attaching the full build log.

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