1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Serialization/ASTReader.cpp b/lib/Serialization/ASTReader.cpp
index f5aa74ea98..da031575a2 100644
--- a/lib/Serialization/ASTReader.cpp
+++ b/lib/Serialization/ASTReader.cpp
@@ -3001,7 +3001,7 @@ std::string ASTReader::getOriginalSourceFile(const std::string &ASTFileName,
   OwningPtr<llvm::MemoryBuffer> Buffer;
   Buffer.reset(FileMgr.getBufferForFile(ASTFileName, &ErrStr));
   if (!Buffer) {
-    Diags.Report(diag::err_fe_unable_to_read_pch_file) << ErrStr;
+    Diags.Report(diag::err_fe_unable_to_read_pch_file) << ASTFileName << ErrStr;
     return std::string();
   }