LGTM with one trivial style fix.
================
Comment at: lib/MC/MCParser/AsmParser.cpp:2118
@@ -2117,4 +2117,3 @@
Sym = getContext().GetOrCreateSymbol(Name);
-
- // FIXME: Handle '.'.
+ }
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Single statement following "else" shouldn't have enclosing braces.
http://llvm-reviews.chandlerc.com/D2625