Patch for Darwin's -pthread unused (PR 7798)

Hi,

here's a patch for PR 7798 <http://llvm.org/bugs/show_bug.cgi?id=7798>
which silences the pthread unused arg warning when linking on Darwin for
the sake of GCC compatibility. It's obviously not a replacement for
Daniel's improvements in the unused arg diagnostics announced in the bug
report. I didn't touch any other platform because I don't know their
behavior with respect to -pthread.

Let me know whether it's okay to commit it.

Cheers, Axel.

clang_pthread_link_darwin_PR7798.diff (537 Bytes)

Hi,

any opinion?

Cheers, Axel.

clang_pthread_link_darwin_PR7798.diff (537 Bytes)