diff --git a/clang/lib/Sema/SemaARM.cpp b/clang/lib/Sema/SemaARM.cpp
index 5bcbe78e9d633..b5abf244132d8 100644
--- a/clang/lib/Sema/SemaARM.cpp
+++ b/clang/lib/Sema/SemaARM.cpp
@@ -1109,7 +1109,10 @@ bool SemaARM::CheckAArch64BuiltinFunctionCall(const TargetInfo &TI,
   default: return false;
   case AArch64::BI__builtin_arm_dmb:
   case AArch64::BI__builtin_arm_dsb:
-  case AArch64::BI__builtin_arm_isb: l = 0; u = 15; break;
+  case AArch64::BI__builtin_arm_isb:
+    l = 0;
+    u = 15;
+    break;
   case AArch64::BI__builtin_arm_tcancel: l = 0; u = 65535; break;
   }