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?
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D83592/new/
https://reviews.llvm.org/D83592
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