1 files changed, 6 insertions, 2 deletions
diff --git a/clang/include/clang/Basic/Diagnostic.td b/clang/include/clang/Basic/Diagnostic.td
index 688f8fa39e6..50a22c4a912 100644
--- a/clang/include/clang/Basic/Diagnostic.td
+++ b/clang/include/clang/Basic/Diagnostic.td
@@ -18,7 +18,8 @@ def MAP_IGNORE  : DiagMapping;
 def MAP_WARNING : DiagMapping;
 def MAP_ERROR   : DiagMapping;
 def MAP_FATAL   : DiagMapping;
-def MAP_WARNING_NO_WERROR : DiagMapping;
+def MAP_WARNING_NO_WERROR             : DiagMapping;
+def MAP_WARNING_SHOW_IN_SYSTEM_HEADER : DiagMapping;
 
 // Define the diagnostic classes.
 class DiagClass;
@@ -76,7 +77,10 @@ class DefaultIgnore { DiagMapping DefaultMapping = MAP_IGNORE; }
 class DefaultWarn   { DiagMapping DefaultMapping = MAP_WARNING; }
 class DefaultError  { DiagMapping DefaultMapping = MAP_ERROR; }
 class DefaultFatal  { DiagMapping DefaultMapping = MAP_FATAL; }
-class DefaultWarnNoWerror  { DiagMapping DefaultMapping = MAP_WARNING_NO_WERROR; }
+class DefaultWarnNoWerror { DiagMapping DefaultMapping= MAP_WARNING_NO_WERROR; }
+class DefaultWarnShowInSystemHeader {
+  DiagMapping DefaultMapping = MAP_WARNING_SHOW_IN_SYSTEM_HEADER;
+}
 
 class NoSFINAE { bit SFINAE = 0; }
 class AccessControl { bit AccessControl = 1; }