Use stronger typing for the flags on AggValueSlot and require
creators to tell us whether something needs GC barriers.
No functionality change.

llvm-svn: 138581
diff --git a/clang/lib/CodeGen/CGException.cpp b/clang/lib/CodeGen/CGException.cpp
index 61c1739..263ac63 100644
--- a/clang/lib/CodeGen/CGException.cpp
+++ b/clang/lib/CodeGen/CGException.cpp
@@ -1032,8 +1032,9 @@
   CGF.EHStack.pushTerminate();
 
   // Perform the copy construction.
-  CGF.EmitAggExpr(copyExpr, AggValueSlot::forAddr(ParamAddr, Qualifiers(), 
-                                                  false));
+  CGF.EmitAggExpr(copyExpr, AggValueSlot::forAddr(ParamAddr, Qualifiers(),
+                                                  AggValueSlot::IsNotDestructed,
+                                          AggValueSlot::DoesNotNeedGCBarriers));
 
   // Leave the terminate scope.
   CGF.EHStack.popTerminate();