1 ; RUN: not llvm-as <%s 2>&1 | FileCheck %s
3 ; "~x{21}" is not a valid clobber constraint.
5 ; CHECK: invalid type for inline asm constraint string
7 define void @foo() nounwind {
8 call void asm sideeffect "mov x0, #42", "~{x0},~{x19},~x{21}"() nounwind