[llvm-bugs] [Bug 34659] New: Crash in llvm::Metadata::getMetadataID(void)const while building with GCOV profiling with clang-cl

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=34659

            Bug ID: 34659
           Summary: Crash in llvm::Metadata::getMetadataID(void)const
                    while building with GCOV profiling with clang-cl
           Product: new-bugs
           Version: 5.0
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: mcastelluccio at mozilla.com
                CC: llvm-bugs at lists.llvm.org

I've built Clang 5.0.0 on Windows and I'm trying to build Firefox with GCOV
profiling enabled (using the "--coverage" option, which I have enabled by
adding the CoreOption flag in include/clang/Driver/Options.td).

There are a couple of files where clang-cl crashes. I'm attaching an archive
with two crash dumps and two source files where this happened.

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