[PATCH] D83592: [Coverage] Add comment to skipped regions

[Vedant Kumar via Phabricator via llvm-commits]

vsk added a comment.

In D83592#2170912 <https://reviews.llvm.org/D83592#2170912>, @zequanwu wrote:

> I don't why when using the cmake option `-DLLVM_BUILD_INSTRUMENTED_COVERAGE=On` to test coverage for clang itself, it does tracking comments.
>  Also, with that option on, `llvm-cov` crashes at assertion:`llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp:578: virtual Expected<const char *> (anonymous namespace)::VersionedCovMapFuncRecordReader<llvm::coverage::Version4, unsigned long, llvm::support::little>::readCoverageHeader(const char *, const char *, BinaryCoverageReader::DecompressedData &) [Version = llvm::coverage::Version4, IntPtrT = unsigned long, Endian = llvm::support::little]: Assertion `(CovMapVersion)CovHeader->getVersion<Endian>() == Version' failed.`


Just to double-check: are you using llvm-{cov,profdata} binaries from the stage1 llvm build to produce reports for stage2 (coverage-instrumented) binaries?


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