[cfe-dev] dump contents of a module (.pcm) file

[Victor Zverovich via cfe-dev]

How can I dump the contents of a module (.pcm) file in a human-readable
form for debugging? I'd like to at least see the exported symbols.

Precompiled Header and Modules Internals
<https://clang.llvm.org/docs/PCHInternals.html> mentions that the
llvm-objdump utility provides a -raw-clang-ast option but running

  llvm-objdump -raw-clang-ast test.pcm

gives the error:

  The file was not recognized as a valid object file

Thanks,
Victor
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