Martin Storsjo f30757f3b0 [llvm-nm] Don't error out on multiple occurrances of the -g/--external-only flag
GNU binutils nm doesn't error out on this, and some projects' build
systems can end up doing that in some cases. Allowing that seems like
a better target than trying to avoid user projects passing multiple
-g parameters to $NM.

Differential Revision: https://reviews.llvm.org/D39539

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@317301 91177308-0d34-0410-b5e6-96231b3b80d8
2017-11-03 07:18:21 +00:00
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