Reinstate the fix for PR7556. A silly use of isTrivial() was
suppressing copies of objects with trivial copy constructors.

llvm-svn: 107857
diff --git a/clang/lib/AST/ExprClassification.cpp b/clang/lib/AST/ExprClassification.cpp
index 4629500..60ac347 100644
--- a/clang/lib/AST/ExprClassification.cpp
+++ b/clang/lib/AST/ExprClassification.cpp
@@ -205,7 +205,7 @@
     // Some C++ expressions are always class temporaries.
   case Expr::CXXConstructExprClass:
   case Expr::CXXTemporaryObjectExprClass:
-  case Expr::CXXZeroInitValueExprClass:
+  case Expr::CXXScalarValueInitExprClass:
     return Cl::CL_ClassTemporary;
 
     // Everything we haven't handled is a prvalue.