diff --git a/include/clang/Basic/DiagnosticGroups.td b/include/clang/Basic/DiagnosticGroups.td
index 4cedd11..c3c0cf5 100644
--- a/include/clang/Basic/DiagnosticGroups.td
+++ b/include/clang/Basic/DiagnosticGroups.td
@@ -24,7 +24,7 @@
 def : DiagGroup<"aggregate-return">;
 def : DiagGroup<"attributes">;
 def : DiagGroup<"bad-function-cast">;
-def BadLiteral : DiagGroup<"bad-literal">; // not in gcc
+def BadLiteral : DiagGroup<"bad-literal">;
 def : DiagGroup<"c++-compat">;
 def : DiagGroup<"cast-align">;
 def : DiagGroup<"cast-qual">;
@@ -181,4 +181,4 @@
 // A warning group for warnings that we want to have on by default in clang,
 // but which aren't on by default in GCC.
 def NonGCC : DiagGroup<"non-gcc",
-    [SignCompare, Conversion]>;
+    [SignCompare, Conversion, BadLiteral]>;