Add missing 'break'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137941 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index f89968f..44c7a0a 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -3039,6 +3039,7 @@
     // If the conditional is AL, we really want tB.
     if (Inst.getOperand(1).getImm() == ARMCC::AL)
       Inst.setOpcode(ARM::tB);
+    break;
   }
 }