[PATCH] D77586: Allow parameter names to be elided in a function definition in C

[Aaron Ballman via Phabricator via cfe-commits]

aaron.ballman created this revision.
aaron.ballman added reviewers: rsmith, rjmccall, erik.pilkington.
Herald added a subscriber: dexonsmith.

WG14 has adopted N2480 (http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2480.pdf) into C2x at the meetings last week, allowing parameter names of a function definition to be elided. This patch relaxes the error so that C++ and C2x do not diagnose this situation, and modes before C2x will allow it as an extension.

This also adds the same feature to ObjC blocks under the assumption that ObjC wishes to follow the C standard in this regard.


https://reviews.llvm.org/D77586

Files:
  clang/include/clang/Basic/DiagnosticGroups.td
  clang/include/clang/Basic/DiagnosticSemaKinds.td
  clang/lib/Sema/SemaChecking.cpp
  clang/lib/Sema/SemaExpr.cpp
  clang/test/Sema/block-args.c
  clang/test/Sema/c89.c
  clang/test/Sema/function.c

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