Add support for parsing the ELF .type assembler directive.

llvm-svn: 104316
diff --git a/llvm/lib/MC/MCParser/AsmLexer.cpp b/llvm/lib/MC/MCParser/AsmLexer.cpp
index 7c098a6..1cbe09a 100644
--- a/llvm/lib/MC/MCParser/AsmLexer.cpp
+++ b/llvm/lib/MC/MCParser/AsmLexer.cpp
@@ -281,6 +281,7 @@
   case '*': return AsmToken(AsmToken::Star, StringRef(TokStart, 1));
   case ',': return AsmToken(AsmToken::Comma, StringRef(TokStart, 1));
   case '$': return AsmToken(AsmToken::Dollar, StringRef(TokStart, 1));
+  case '@': return AsmToken(AsmToken::At, StringRef(TokStart, 1));
   case '=': 
     if (*CurPtr == '=')
       return ++CurPtr, AsmToken(AsmToken::EqualEqual, StringRef(TokStart, 2));