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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118345 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 1 deletions

diff --git a/include/clang/Basic/Diagnostic.h b/include/clang/Basic/Diagnostic.h
index 53679b8ce3..5f4ea0a424 100644
--- a/include/clang/Basic/Diagnostic.h
+++ b/include/clang/Basic/Diagnostic.h
@@ -215,7 +215,7 @@ private:
     unsigned char Values[diag::DIAG_UPPER_LIMIT/2];
 
   public:
-    DiagMappings() : Values() { }
+    DiagMappings() : Values() /*zero-initialization of array*/ { }
 
     void setMapping(diag::kind Diag, unsigned Map) {
       size_t Shift = (Diag & 1)*4;