This needs braces. Spotted by Bill.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161906 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 8536b94..e9e2803 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -532,7 +532,7 @@
     // This modifier is not yet supported.
     case 'h': // A range of VFP/NEON registers suitable for VLD1/VST1.
       return true;
-    case 'H': // The highest-numbered register of a pair.
+    case 'H': { // The highest-numbered register of a pair.
       const MachineOperand &MO = MI->getOperand(OpNum);
       if (!MO.isReg())
         return true;
@@ -547,6 +547,7 @@
       O << ARMInstPrinter::getRegisterName(Reg);
       return false;
     }
+    }
   }
 
   printOperand(MI, OpNum, O);