Thumb unconditional branch binary encoding. rdar://8754994

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121496 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp
index ac39979..a193d16 100644
--- a/lib/MC/ELFObjectWriter.cpp
+++ b/lib/MC/ELFObjectWriter.cpp
@@ -1558,6 +1558,7 @@
     case ARM::fixup_arm_thumb_bl:
     case ARM::fixup_arm_thumb_cb:
     case ARM::fixup_arm_thumb_cp:
+    case ARM::fixup_arm_thumb_br:
       assert(0 && "Unimplemented"); break;
     case ARM::fixup_arm_branch:
       Type = ELF::R_ARM_CALL; break;