1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index 1f7946e..8623c03 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -6647,7 +6647,7 @@ void ASTReader::ReadPragmaDiagnosticMappings(DiagnosticsEngine &Diag) {
       // command line (-w, -Weverything, -Werror, ...) along with any explicit
       // -Wblah flags.
       unsigned Flags = Record[Idx++];
-      DiagState Initial(*Diag.getDiagnosticIDs());
+      DiagState Initial;
       Initial.SuppressSystemWarnings = Flags & 1; Flags >>= 1;
       Initial.ErrorsAsFatal = Flags & 1; Flags >>= 1;
       Initial.WarningsAsErrors = Flags & 1; Flags >>= 1;