Add check in the driver to see if a serialized AST file has been successfully

deserialized.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@45006 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/Driver/clang.cpp b/Driver/clang.cpp
index 8a6d1326842f2926f7c8fef92189b38591d4a394..bcffeb73b79087dc7fc6773cde1c5e69ffb136f8 100644 (file)
--- a/Driver/clang.cpp
+++ b/Driver/clang.cpp
@@ -984,7 +984,14 @@ static void ProcessSerializedFile(const std::string& InFile, Diagnostic& Diag,
     exit (1);
   }
   
-  TranslationUnit* TU = TranslationUnit::ReadBitcodeFile(Filename,FileMgr);  
+  TranslationUnit* TU = TranslationUnit::ReadBitcodeFile(Filename,FileMgr);
+  
+  if (!TU) {
+    fprintf(stderr, "error: file '%s' could not be deserialized\n", 
+            InFile.c_str());
+    exit (1);
+  }
+  
   ASTConsumer* Consumer = CreateASTConsumer(InFile,Diag,
                                             FileMgr,TU->getLangOpts());