From: Chris Lattner <sabre@nondot.org>
Date: Sun, 8 Mar 2009 20:13:45 +0000 (+0000)
Subject: the macro redefinition ext warning should default to on, to match gcc.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4e9990b63518b9ca63d6585dfbd492f452f794c2;p=clang

the macro redefinition ext warning should default to on, to match gcc.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66390 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/clang/Basic/DiagnosticLexKinds.def b/include/clang/Basic/DiagnosticLexKinds.def
index f1d918ea02..fb701d6f60 100644
--- a/include/clang/Basic/DiagnosticLexKinds.def
+++ b/include/clang/Basic/DiagnosticLexKinds.def
@@ -152,7 +152,7 @@ DIAG(ext_pp_comma_expr, EXTENSION,
      "comma operator in operand of #if")
 DIAG(ext_pp_bad_vaargs_use, EXTENSION,
      "__VA_ARGS__ can only appear in the expansion of a C99 variadic macro")
-DIAG(ext_pp_macro_redef, EXTENSION,
+DIAG(ext_pp_macro_redef, EXTWARN,
      "%0 macro redefined")
 DIAG(ext_variadic_macro, EXTENSION,
      "variadic macros were introduced in C99")