[PATCH] D52248: [SEMA] ignore duplicate declaration specifiers from typeof exprs

[Nick Desaulniers via Phabricator via cfe-commits]

nickdesaulniers updated this revision to Diff 167565.
nickdesaulniers added a comment.
Herald added a subscriber: jfb.

- split duplicate_declspec into Extension and Extwarn from Extwarn.
- rename ext_duplicate_declspec to be the Extension, not the Extwarn.
- Fix C++ case.
- Use tablegen'd Extension rather than checking Pedantic diag option.
- Update tests that started failing due to this change.
- Consolidate checks for duplicate declspecs into 1 file.
- Move cases for PR8264 into my added test case, extending them for various language standards.
- Update my tests/rename the new test file name.


Repository:
  rC Clang

https://reviews.llvm.org/D52248

Files:
  include/clang/Basic/DiagnosticSemaKinds.td
  lib/Parse/ParseDecl.cpp
  lib/Sema/DeclSpec.cpp
  lib/Sema/SemaType.cpp
  test/FixIt/fixit-eof-space.c
  test/FixIt/fixit.c
  test/Parser/atomic.c
  test/Sema/declspec.c
  test/Sema/dupl-declspec.c

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