Apply changes to migrate to upstream.  (Nov 25th 2011)

Change-Id: I3fd430640732fce5366e789bacd96628bc525616
diff --git a/lib/ExecutionEngine/Compiler.cpp b/lib/ExecutionEngine/Compiler.cpp
index 4351079..3f87d39 100644
--- a/lib/ExecutionEngine/Compiler.cpp
+++ b/lib/ExecutionEngine/Compiler.cpp
@@ -679,8 +679,7 @@
 
   // Add MC code generation passes to pass manager
   llvm::MCContext *Ctx;
-  if (TM->addPassesToEmitMC(MCCodeGenPasses, Ctx, OutSVOS,
-                            CodeGenOptLevel, false)) {
+  if (TM->addPassesToEmitMC(MCCodeGenPasses, Ctx, OutSVOS, false)) {
     setError("Fail to add passes to emit file");
     return 1;
   }