Provide the __is_trivially_assignable type trait, which provides
compiler support for the std::is_trivially_assignable library type
trait.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151240 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index d2e8752..fdf40e8 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -1140,6 +1140,7 @@
   case tok::kw___is_same:
   case tok::kw___is_convertible:
   case tok::kw___is_convertible_to:
+  case tok::kw___is_trivially_assignable:
     return ParseBinaryTypeTrait();
 
   case tok::kw___array_rank: