[PATCH] D131465: C++/ObjC++: switch to gnu++17 as the default standard

[Fangrui Song via Phabricator via cfe-commits]

MaskRay added a subscriber: mgorny.
MaskRay added inline comments.


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Comment at: clang/test/lit.site.cfg.py.in:27
 config.clang_enable_opaque_pointers = @CLANG_ENABLE_OPAQUE_POINTERS_INTERNAL@
+config.clang_default_std_cxx = "@CLANG_DEFAULT_STD_CXX@"
 config.clang_default_cxx_stdlib = "@CLANG_DEFAULT_CXX_STDLIB@"
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aaron.ballman wrote:
> Should we add some documentation for this in a follow-up? (I know `CLANG_DEFAULT_STD_CXX` already exists, but it seems like it'd be helpful to tell users about it too.)
Where shall we place the documentation? My understanding is that we don't document lit.* config changes.

Personally I think we probably should get rid of `CLANG_DEFAULT_STD_CXX` (D34365 @mgorny), which may require improvements to Clang configuration file (https://discourse.llvm.org/t/configuration-files/42529 https://clang.llvm.org/docs/UsersManual.html#configuration-files).


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D131465/new/

https://reviews.llvm.org/D131465