Parse: add support for parsing CUDA kernel calls

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125219 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/Parser.cpp b/lib/Parse/Parser.cpp
index 820f703..bb09661 100644
--- a/lib/Parse/Parser.cpp
+++ b/lib/Parse/Parser.cpp
@@ -126,6 +126,8 @@
   case tok::r_brace : LHSName = "{"; DID = diag::err_expected_rbrace; break;
   case tok::r_square: LHSName = "["; DID = diag::err_expected_rsquare; break;
   case tok::greater:  LHSName = "<"; DID = diag::err_expected_greater; break;
+  case tok::greatergreatergreater:
+                      LHSName = "<<<"; DID = diag::err_expected_ggg; break;
   }
   Diag(Tok, DID);
   Diag(LHSLoc, diag::note_matching) << LHSName;