Almost complete implementation of rvalue references. One bug, and a few unclear areas. Maybe Doug can shed some light on some of the fixmes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67059 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp
index 5450d19..b3d94c3 100644
--- a/lib/Sema/SemaExprCXX.cpp
+++ b/lib/Sema/SemaExprCXX.cpp
@@ -764,7 +764,7 @@
     // the constructor or conversion operator, and then cope with the
     // standard conversions.
     ImpCastExprToType(From, ToType.getNonReferenceType(), 
-                      ToType->isReferenceType());
+                      ToType->isLValueReferenceType());
     return false;
 
   case ImplicitConversionSequence::EllipsisConversion:
@@ -800,7 +800,7 @@
     // FIXME: Create a temporary object by calling the copy
     // constructor.
     ImpCastExprToType(From, ToType.getNonReferenceType(), 
-                      ToType->isReferenceType());
+                      ToType->isLValueReferenceType());
     return false;
   }
 
@@ -893,8 +893,10 @@
     break;
 
   case ICK_Qualification:
+    // FIXME: Not sure about lvalue vs rvalue here in the presence of
+    // rvalue references.
     ImpCastExprToType(From, ToType.getNonReferenceType(), 
-                      ToType->isReferenceType());
+                      ToType->isLValueReferenceType());
     break;
 
   default: