stop calling II::getName() unnecesarily in sema


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59609 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/Sema.h b/lib/Sema/Sema.h
index 4fc06f8..7890070 100644
--- a/lib/Sema/Sema.h
+++ b/lib/Sema/Sema.h
@@ -88,6 +88,7 @@
   /// push - Push the current alignment onto the stack, optionally
   /// using the given \arg Name for the record, if non-zero,
   void push(IdentifierInfo *Name) {
+    // FIXME: Why does this push 'Name' as an std::string??
     Stack.push_back(std::make_pair(Alignment,
                                    std::string(Name ? Name->getName() : "")));
   }