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diff --git a/test/MC/ARM/invalid-barrier.s b/test/MC/ARM/invalid-barrier.s
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+@ RUN: not llvm-mc -triple=armv7 -show-encoding < %s 2>&1 | FileCheck %s
+@ RUN: not llvm-mc -triple=thumbv7 -show-encoding < %s 2>&1 | FileCheck %s
+
+@------------------------------------------------------------------------------
+@ DMB
+@------------------------------------------------------------------------------
+ dmb #0x10
+ dmb imaginary_scope
+
+@ CHECK: error: immediate value out of range
+@ CHECK: error: invalid operand for instruction
+
+@------------------------------------------------------------------------------
+@ DSB
+@------------------------------------------------------------------------------
+ dsb #0x10
+ dsb imaginary_scope
+@ CHECK: error: immediate value out of range
+@ CHECK: error: invalid operand for instruction
+
+@------------------------------------------------------------------------------
+@ ISB
+@------------------------------------------------------------------------------
+ isb #0x1f
+ isb imaginary_domain
+
+@ CHECK: error: immediate value out of range
+@ CHECK: error: invalid operand for instruction