+; CHECK-NEXT: Index header:
+; CHECK-NEXT: version: 2
+; CHECK-NEXT: columns: 4
+; CHECK-NEXT: units: 2
+; CHECK-NEXT: buckets: 16
+
+; CHECK: .debug_tu_index contents:
+; CHECK-NEXT: Index header:
+; CHECK-NEXT: version: 2
+; CHECK-NEXT: columns: 4
+; CHECK-NEXT: units: 1
+; CHECK-NEXT: buckets: 16