Implement support for .local and its "interesting" interactions with .comm.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114382 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index c5d2aa0..84606bc 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -961,6 +961,9 @@
 
     if (IDVal == ".globl" || IDVal == ".global")
       return ParseDirectiveSymbolAttribute(MCSA_Global);
+    // ELF only? Should it be here?
+    if (IDVal == ".local")
+      return ParseDirectiveSymbolAttribute(MCSA_Local);
     if (IDVal == ".hidden")
       return ParseDirectiveSymbolAttribute(MCSA_Hidden);
     if (IDVal == ".indirect_symbol")