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

llvm-svn: 136210
diff --git a/clang/lib/Parse/ParseExpr.cpp b/clang/lib/Parse/ParseExpr.cpp
index 869d9de..3cd1f39 100644
--- a/clang/lib/Parse/ParseExpr.cpp
+++ b/clang/lib/Parse/ParseExpr.cpp
@@ -769,6 +769,9 @@
     break;
   }
   case tok::char_constant:     // constant: character-constant
+  case tok::wide_char_constant:
+  case tok::utf16_char_constant:
+  case tok::utf32_char_constant:
     Res = Actions.ActOnCharacterConstant(Tok);
     ConsumeToken();
     break;
@@ -780,6 +783,9 @@
     break;
   case tok::string_literal:    // primary-expression: string-literal
   case tok::wide_string_literal:
+  case tok::utf8_string_literal:
+  case tok::utf16_string_literal:
+  case tok::utf32_string_literal:
     Res = ParseStringLiteralExpression();
     break;
   case tok::kw__Generic:   // primary-expression: generic-selection [C1X 6.5.1]