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-rw-r--r--include/clang/Basic/DiagnosticLexKinds.def2
1 files changed, 1 insertions, 1 deletions
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")