; default to 0, which is not displayed at all in the textual representation.
;
; RUN: llvm-dis %s.bc -o - | FileCheck %s
-; CHECK: !DICompileUnit
+; CHECK: distinct !DICompileUnit
; CHECK-NOT: dwoId:
!named = !{!0}
!0 = !DICompileUnit(language: 12, file: !1)