[PATCH] D95915: [clang][driver] Only warn once about invalid -stdlib value

[Timm Bäder via Phabricator via cfe-commits]

tbaeder updated this revision to Diff 321349.
tbaeder added a comment.

Here a version without the local static bools. If this is good to go, I can add some tests.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D95915/new/

https://reviews.llvm.org/D95915

Files:
  clang/include/clang/Driver/ToolChain.h
  clang/lib/Driver/ToolChain.cpp

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