Put macro redefinition warnings under -Wmacro-redefined
authorReid Kleckner <reid@kleckner.net>
Fri, 4 Apr 2014 00:17:16 +0000 (00:17 +0000)
committerReid Kleckner <reid@kleckner.net>
Fri, 4 Apr 2014 00:17:16 +0000 (00:17 +0000)
commit98a126621874024c4283cf92b5ae1c5eb2e7b8e0
tree6aa86ad925f4826ea381876c44f2063cf0bd2690
parent8dc9f0a3711ead756d83255433ba436cb5bbd5fd
Put macro redefinition warnings under -Wmacro-redefined

This is consistent with -Wbuiltin-macro-redefined, and puts this common
extension warning under a flag.

Reviewers: rsmith

Differential Revision: http://llvm-reviews.chandlerc.com/D3283

llvm-svn: 205591
clang/include/clang/Basic/DiagnosticGroups.td
clang/include/clang/Basic/DiagnosticLexKinds.td
clang/test/Misc/warning-flags.c
clang/test/Preprocessor/macro_redefined.c [new file with mode: 0644]