diff --git a/llvm/lib/MC/MachObjectWriter.cpp b/llvm/lib/MC/MachObjectWriter.cpp
index fbe068b..7ca0951 100644
--- a/llvm/lib/MC/MachObjectWriter.cpp
+++ b/llvm/lib/MC/MachObjectWriter.cpp
@@ -33,6 +33,7 @@
   default: llvm_unreachable("invalid fixup kind!");
   case X86::reloc_pcrel_1byte:
   case FK_Data_1: return 0;
+  case X86::reloc_pcrel_2byte:
   case FK_Data_2: return 1;
   case X86::reloc_pcrel_4byte:
   case X86::reloc_riprel_4byte:
@@ -47,6 +48,7 @@
   default:
     return false;
   case X86::reloc_pcrel_1byte:
+  case X86::reloc_pcrel_2byte:
   case X86::reloc_pcrel_4byte:
   case X86::reloc_riprel_4byte:
   case X86::reloc_riprel_4byte_movq_load: