eliminate unlockedRefineAbstractTypeTo, types are all per-llvmcontext,

so there is no locking involved in type refinement.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108553 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/IPO/GlobalOpt.cpp

@@ -1467,7 +1467,7 @@ static bool TryToOptimizeStoreOfMallocToGlobal(GlobalVariable *GV,
                                                TargetData *TD) {
   if (!TD)
     return false;
-          
+  
   // If this is a malloc of an abstract type, don't touch it.
   if (!AllocTy->isSized())
     return false;