diff --git a/lib/Parse/ParseTentative.cpp b/lib/Parse/ParseTentative.cpp
index f31855b..02687a2 100644
--- a/lib/Parse/ParseTentative.cpp
+++ b/lib/Parse/ParseTentative.cpp
@@ -543,6 +543,7 @@
 /// [GNU]     typeof-specifier
 /// [GNU]     '_Complex'
 /// [C++0x]   'auto'                                                [TODO]
+/// [C++0x]   'decltype' ( expression )
 ///
 ///         type-name:
 ///           class-name
@@ -695,7 +696,7 @@
 
     return TPResult::True();
 
-    // GNU typeof support.
+  // GNU typeof support.
   case tok::kw_typeof: {
     if (NextToken().isNot(tok::l_paren))
       return TPResult::True();
@@ -716,6 +717,10 @@
     return TPResult::True();
   }
 
+  // C++0x decltype support.
+  case tok::kw_decltype:
+    return TPResult::True();
+
   default:
     return TPResult::False();
   }