1 files changed, 4 insertions, 1 deletions
diff --git a/contrib/llvm/tools/clang/lib/Serialization/GeneratePCH.cpp b/contrib/llvm/tools/clang/lib/Serialization/GeneratePCH.cpp
index 4a2255ab6d39..308fde8b1dd7 100644
--- a/contrib/llvm/tools/clang/lib/Serialization/GeneratePCH.cpp
+++ b/contrib/llvm/tools/clang/lib/Serialization/GeneratePCH.cpp
@@ -51,7 +51,10 @@ void PCHGenerator::HandleTranslationUnit(ASTContext &Ctx) {
   // Emit the PCH file to the Buffer.
   assert(SemaPtr && "No Sema?");
   Buffer->Signature =
-      Writer.WriteAST(*SemaPtr, OutputFile, Module, isysroot, hasErrors);
+      Writer.WriteAST(*SemaPtr, OutputFile, Module, isysroot,
+                      // For serialization we are lenient if the errors were
+                      // only warn-as-error kind.
+                      PP.getDiagnostics().hasUncompilableErrorOccurred());
 
   Buffer->IsComplete = true;
 }