Add support for C++0x unicode string and character literals, from Craig Topper!

llvm-svn: 136210
diff --git a/clang/lib/Parse/ParseTentative.cpp b/clang/lib/Parse/ParseTentative.cpp
index 2ba0fc6..3f245a3 100644
--- a/clang/lib/Parse/ParseTentative.cpp
+++ b/clang/lib/Parse/ParseTentative.cpp
@@ -605,8 +605,14 @@
   // Obviously starts an expression.
   case tok::numeric_constant:
   case tok::char_constant:
+  case tok::wide_char_constant:
+  case tok::utf16_char_constant:
+  case tok::utf32_char_constant:
   case tok::string_literal:
   case tok::wide_string_literal:
+  case tok::utf8_string_literal:
+  case tok::utf16_string_literal:
+  case tok::utf32_string_literal:
   case tok::l_square:
   case tok::l_paren:
   case tok::amp: