[PATCH] D97042: [clang][cli] Stop creating '-Wno-stdlibcxx-not-found' in cc1

[Duncan P. N. Exon Smith via Phabricator via cfe-commits]

dexonsmith added a comment.

In D97042#2576372 <https://reviews.llvm.org/D97042#2576372>, @dexonsmith wrote:

> Agreed; LGTM.

To be more explicit, here's how I confirmed this is dead code: `warn_drv_libstdcxx_not_found` is the only warning in `DiagGroup<"stdlibcxx-not-found">` and it's only used by clang/lib/Driver/ToolChains/Darwin.cpp. It cannot have an effect on `-cc1`.


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  https://reviews.llvm.org/D97042/new/

https://reviews.llvm.org/D97042