change HandleTranslationUnit to take an ASTContext instead of TranslationUnit


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67910 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/clang-cc/Backend.cpp b/tools/clang-cc/Backend.cpp
index 39d5c90..ee2d0c5 100644
--- a/tools/clang-cc/Backend.cpp
+++ b/tools/clang-cc/Backend.cpp
@@ -131,13 +131,13 @@
         LLVMIRGeneration.stopTimer();
     }
     
-    virtual void HandleTranslationUnit(TranslationUnit& TU) {
+    virtual void HandleTranslationUnit(ASTContext &C) {
       {
         PrettyStackTraceString CrashInfo("Per-file LLVM IR generation");
         if (CompileOpts.TimePasses)
           LLVMIRGeneration.startTimer();
 
-        Gen->HandleTranslationUnit(TU);
+        Gen->HandleTranslationUnit(C);
 
         if (CompileOpts.TimePasses)
           LLVMIRGeneration.stopTimer();