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

Timm Bäder via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Mon Feb 8 04:40:09 PST 2021


tbaeder updated this revision to Diff 322082.
tbaeder added a comment.

Switched to `llvm::Optional` and added 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
  clang/test/Driver/undefined-libs.cpp

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