Replace the -unwind-tables option with a per function flag. This is more
LTO friendly as we can now correctly merge files compiled with or without
-fasynchronous-unwind-tables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132033 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/LLLexer.cpp b/lib/AsmParser/LLLexer.cpp
index 857fa1e..48a0eaf 100644
--- a/lib/AsmParser/LLLexer.cpp
+++ b/lib/AsmParser/LLLexer.cpp
@@ -565,6 +565,7 @@
   KEYWORD(nest);
   KEYWORD(readnone);
   KEYWORD(readonly);
+  KEYWORD(uwtable);
 
   KEYWORD(inlinehint);
   KEYWORD(noinline);