Parse and record the gnu_unique_object type.

llvm-svn: 118980
diff --git a/llvm/lib/MC/MCParser/ELFAsmParser.cpp b/llvm/lib/MC/MCParser/ELFAsmParser.cpp
index b3d5f11..d074ea9 100644
--- a/llvm/lib/MC/MCParser/ELFAsmParser.cpp
+++ b/llvm/lib/MC/MCParser/ELFAsmParser.cpp
@@ -370,6 +370,7 @@
     .Case("tls_object", MCSA_ELF_TypeTLS)
     .Case("common", MCSA_ELF_TypeCommon)
     .Case("notype", MCSA_ELF_TypeNoType)
+    .Case("gnu_unique_object", MCSA_ELF_TypeGnuUniqueObject)
     .Default(MCSA_Invalid);
 
   if (Attr == MCSA_Invalid)