clang-family: error after --help (inconsistent command line options)

[Jannick]

Hello,

I can confirm the bug reported in early April
(https://sourceware.org/ml/cygwin/2018-04/msg00021.html, author cc'ed):

The following friends of the clang-... application family (5.0.1-2) show
this error
when calling, e.g., exe --help:

: CommandLine Error: Option 'disable-symbolication' registered more than
once!
LLVM ERROR: inconsistency in registered CommandLine options

- clang-check.exe
- clang-format.exe
- clang-import-test.exe
- clang-offload-bundler.exe
- clang-rename.exe

After looking around a bit in the net it could well be that something is
linked into the apps twice, but not sure where if this is a cygwin issue or
not:
- https://bugs.llvm.org/show_bug.cgi?id=22543
- https://reviews.llvm.org/rL240104

Please let me know if any more info required.

Many thanks!


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