Adds IRGen support for captured rvalue references in blocks.
In this case, temporary value is copied into block descriptor
as their own copy to work on. // rdar://9971124


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143399 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 9ad3ae8..9680185 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -1409,8 +1409,10 @@
 }
 
 LValue CodeGenFunction::EmitBlockDeclRefLValue(const BlockDeclRefExpr *E) {
+  bool RefAsPointee = 
+    E->getDecl()->getType()->isRValueReferenceType() ? true : false;
   unsigned Alignment =
-    getContext().getDeclAlign(E->getDecl()).getQuantity();
+    getContext().getDeclAlign(E->getDecl(), RefAsPointee).getQuantity();
   return MakeAddrLValue(GetAddrOfBlockDecl(E), E->getType(), Alignment);
 }