// This test depends on a patch that was committed to upstream LLVM
// before 7.0, then backported to the Rust LLVM fork.  It tests that
// optimized enum debug info accurately reflects the enum layout.

// ignore-windows
// min-system-llvm-version 8.0

// compile-flags: -g -C no-prepopulate-passes

// CHECK-LABEL: @main
// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_variant_part,{{.*}}discriminator:{{.*}}
// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "A",{{.*}}extraData:{{.*}}
// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_structure_type,{{.*}}name: "A",{{.*}}
// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "B",{{.*}}extraData:{{.*}}
// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_structure_type,{{.*}}name: "B",{{.*}}
// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "C",{{.*}}extraData:{{.*}}
// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_structure_type,{{.*}}name: "C",{{.*}}
// CHECK-NOT: {{.*}}DIDerivedType{{.*}}name: "D",{{.*}}extraData:{{.*}}
// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "D",{{.*}}
// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_structure_type,{{.*}}name: "D",{{.*}}
// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}flags: DIFlagArtificial{{.*}}

#![allow(dead_code)]
#![allow(unused_variables)]
#![allow(unused_assignments)]

enum E { A, B, C, D(bool) }

pub fn main() {
    let e = E::D(true);
}