From 5cc6491f50d0598715d87c69793bfdb2df7cda6f Mon Sep 17 00:00:00 2001
From: Hans Wennborg <hans@hanshq.net>
Date: Sat, 18 Jun 2011 13:51:54 +0000
Subject: [PATCH] MC: Allow .common as alias for .comm assembler directive.
 PR10116.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133349 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/MC/MCParser/AsmParser.cpp      | 2 +-
 test/MC/AsmParser/directive_comm.s | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index bbd66351089..7b62db2e69d 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -1146,7 +1146,7 @@ bool AsmParser::ParseStatement() {
     if (IDVal == ".weak_def_can_be_hidden")
       return ParseDirectiveSymbolAttribute(MCSA_WeakDefAutoPrivate);
 
-    if (IDVal == ".comm")
+    if (IDVal == ".comm" || IDVal == ".common")
       return ParseDirectiveComm(/*IsLocal=*/false);
     if (IDVal == ".lcomm")
       return ParseDirectiveComm(/*IsLocal=*/true);
diff --git a/test/MC/AsmParser/directive_comm.s b/test/MC/AsmParser/directive_comm.s
index 6cc79371de8..5e60ab75705 100644
--- a/test/MC/AsmParser/directive_comm.s
+++ b/test/MC/AsmParser/directive_comm.s
@@ -3,6 +3,8 @@
 # CHECK: TEST0:
 # CHECK: .comm a,6,2
 # CHECK: .comm b,8
+# CHECK: .comm c,8
 TEST0:  
         .comm a, 4+2, 2
         .comm b,8
+        .common c,8