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-rw-r--r--include/clang/Basic/DiagnosticGroups.td3
-rw-r--r--include/clang/Basic/DiagnosticLexKinds.td3
2 files changed, 5 insertions, 1 deletions
diff --git a/include/clang/Basic/DiagnosticGroups.td b/include/clang/Basic/DiagnosticGroups.td
index 63afc63285..c34bdc111c 100644
--- a/include/clang/Basic/DiagnosticGroups.td
+++ b/include/clang/Basic/DiagnosticGroups.td
@@ -70,6 +70,9 @@ def : DiagGroup<"shadow">;
def : DiagGroup<"shorten-64-to-32">;
def : DiagGroup<"sign-compare">;
+// Preprocessor warnings.
+def : DiagGroup<"builtin-macro-redefined">;
+
// Just silence warnings about common forms of -Wstrict-aliasing for now.
def : DiagGroup<"strict-aliasing=0">;
def : DiagGroup<"strict-aliasing=1">;
diff --git a/include/clang/Basic/DiagnosticLexKinds.td b/include/clang/Basic/DiagnosticLexKinds.td
index 9eda7bd2f3..3f132c0dab 100644
--- a/include/clang/Basic/DiagnosticLexKinds.td
+++ b/include/clang/Basic/DiagnosticLexKinds.td
@@ -112,7 +112,8 @@ def pp_poisoning_existing_macro : Warning<"poisoning existing macro">;
def pp_out_of_date_dependency : Warning<
"current file is older than dependency %0">;
def pp_undef_builtin_macro : Warning<"undefining builtin macro">;
-def pp_redef_builtin_macro : Warning<"redefining builtin macro">;
+def pp_redef_builtin_macro : Warning<"redefining builtin macro">,
+ InGroup<DiagGroup<"builtin-macro-redefined">>;
def pp_macro_not_used : Warning<"macro is not used">, DefaultIgnore,
InGroup<DiagGroup<"unused-macros">>;
def warn_pp_undef_identifier : Warning<