Parse and print opt_size note.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55740 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/LLLexer.cpp b/lib/AsmParser/LLLexer.cpp
index 6af0ab4..51e63a8 100644
--- a/lib/AsmParser/LLLexer.cpp
+++ b/lib/AsmParser/LLLexer.cpp
@@ -501,7 +501,7 @@
   KEYWORD("inline", INLINE);
   KEYWORD("always", ALWAYS);
   KEYWORD("never", NEVER);
-  KEYWORD("optimizeforsize", OPTIMIZEFORSIZE);
+  KEYWORD("opt_size", OPTIMIZEFORSIZE);
 
   KEYWORD("type", TYPE);
   KEYWORD("opaque", OPAQUE);