MC: Parse .set and assignments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74208 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-mc/AsmLexer.h b/tools/llvm-mc/AsmLexer.h
index d074db7..19a1b38 100644
--- a/tools/llvm-mc/AsmLexer.h
+++ b/tools/llvm-mc/AsmLexer.h
@@ -42,7 +42,7 @@
     Plus, Minus, Tilde,
     Slash,    // '/'
     LParen, RParen,
-    Star, Comma, Dollar,
+    Star, Comma, Dollar, Equal,
     
     Pipe, Caret, Amp, Exclaim,
     Percent, LessLess, GreaterGreater