diff --git a/llvm/lib/MC/MCMachOStreamer.cpp b/llvm/lib/MC/MCMachOStreamer.cpp
index 8759f2b..b8640d3 100644
--- a/llvm/lib/MC/MCMachOStreamer.cpp
+++ b/llvm/lib/MC/MCMachOStreamer.cpp
@@ -206,6 +206,7 @@
   case MCSA_ELF_TypeTLS:
   case MCSA_ELF_TypeCommon:
   case MCSA_ELF_TypeNoType:
+  case MCSA_ELF_TypeGnuUniqueObject:
   case MCSA_IndirectSymbol:
   case MCSA_Hidden:
   case MCSA_Internal:
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)