[PATCH] D95396: Improve static_assert/_Static_assert diagnostics

[Aaron Ballman via Phabricator via cfe-commits]

aaron.ballman updated this revision to Diff 327426.
aaron.ballman added a comment.

Address review comments from @rnk

Only define the `static_assert` macro if one is not already defined and test the expected behavior.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D95396/new/

https://reviews.llvm.org/D95396

Files:
  clang/include/clang/Basic/DiagnosticGroups.td
  clang/include/clang/Basic/DiagnosticParseKinds.td
  clang/lib/Lex/PPDirectives.cpp
  clang/lib/Parse/ParseDeclCXX.cpp
  clang/test/Parser/static_assert.c
  clang/test/Preprocessor/static_assert-already-defined.c
  clang/test/Preprocessor/static_assert.c
  clang/test/Sema/static-assert.c
  clang/test/SemaCXX/static-assert.cpp

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