Generalize generator-debug test a bit

Don't be so reliant on particular line ordering (though FileCheck makes
this hard in general, IMO). Also disable for MSVC.

Author: tmandry

src/test/codegen/generator-debug.rs

@@ -5,6 +5,7 @@
 //
 // ignore-tidy-linelength
 // compile-flags: -C debuginfo=2 --edition=2018
+// ignore-msvc
 
 #![feature(generators, generator_trait)]
 use std::ops::Generator;
@@ -26,66 +27,63 @@ async fn async_fn_test() {
 
 // FIXME: We need "checksum" to prevent matching with the wrong (duplicate) file
 //        metadata, even when -C codegen-units=1.
-// CHECK:      [[FILE:!.*]] = !DIFile(filename: "{{.*}}/generator-debug.rs", {{.*}}, checksum:
+// CHECK-DAG:  [[FILE:!.*]] = !DIFile(filename: "{{.*}}generator-debug.rs", {{.*}}, checksum:
 
-// CHECK:      [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "generator-0", scope: [[FN:![0-9]*]],
-// CHECK-SAME: flags: DIFlagArtificial
-// CHECK:      [[FN]] = !DINamespace(name: "generator_test"
-// CHECK:      [[VARIANT:!.*]] = !DICompositeType(tag: DW_TAG_variant_part, scope: [[FN]],
+// CHECK-DAG:  [[GEN_FN:!.*]] = !DINamespace(name: "generator_test"
+// CHECK-DAG:  [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "generator-0", scope: [[GEN_FN]], {{.*}}flags: DIFlagArtificial
+// CHECK:      [[VARIANT:!.*]] = !DICompositeType(tag: DW_TAG_variant_part, scope: [[GEN_FN]],
 // CHECK-SAME: flags: DIFlagArtificial
 // CHECK-SAME: discriminator: [[DISC:![0-9]*]]
 // CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "0", scope: [[VARIANT]],
-// CHECK-SAME: file: [[FILE]], line: 13,
+// CHECK-SAME: file: [[FILE]], line: 14,
 // CHECK-SAME: flags: DIFlagArtificial
 // CHECK:      {{!.*}} = !DICompositeType(tag: DW_TAG_structure_type, name: "Unresumed", scope: [[GEN]],
 // CHECK-SAME: flags: DIFlagArtificial
 // CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "1", scope: [[VARIANT]],
-// CHECK-SAME: file: [[FILE]], line: 17,
+// CHECK-SAME: file: [[FILE]], line: 18,
 // CHECK-SAME: flags: DIFlagArtificial
 // CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "2", scope: [[VARIANT]],
-// CHECK-SAME: file: [[FILE]], line: 17,
+// CHECK-SAME: file: [[FILE]], line: 18,
 // CHECK-SAME: flags: DIFlagArtificial
 // CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "3", scope: [[VARIANT]],
-// CHECK-SAME: file: [[FILE]], line: 14,
+// CHECK-SAME: file: [[FILE]], line: 15,
 // CHECK-SAME: flags: DIFlagArtificial
 // CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "4", scope: [[VARIANT]],
-// CHECK-SAME: file: [[FILE]], line: 16,
+// CHECK-SAME: file: [[FILE]], line: 17,
 // CHECK-SAME: flags: DIFlagArtificial
 // CHECK:      [[S1:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Suspend1", scope: [[GEN]],
 // CHECK-SAME: flags: DIFlagArtificial
 // CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: [[S1]]
 // CHECK-NOT:  flags: DIFlagArtificial
 // CHECK-SAME: )
-// CHECK:      [[DISC]] = !DIDerivedType(tag: DW_TAG_member, name: "__state", scope: [[FN]],
+// CHECK:      [[DISC]] = !DIDerivedType(tag: DW_TAG_member, name: "__state", scope: [[GEN_FN]],
 // CHECK-SAME: flags: DIFlagArtificial
 
-// CHECK:      [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "generator-0", scope: [[FN:![0-9]*]],
-// CHECK-SAME: flags: DIFlagArtificial
-// CHECK:      [[FN]] = !DINamespace(name: "async_fn_test"
-// CHECK:      [[VARIANT:!.*]] = !DICompositeType(tag: DW_TAG_variant_part, scope: [[FN]],
+// CHECK-DAG:  [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "generator-0", scope: [[ASYNC_FN:![0-9]*]], {{.*}}flags: DIFlagArtificial
+// CHECK:      [[VARIANT:!.*]] = !DICompositeType(tag: DW_TAG_variant_part, scope: [[ASYNC_FN]],
 // CHECK-SAME: flags: DIFlagArtificial
 // CHECK-SAME: discriminator: [[DISC:![0-9]*]]
 // CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "0", scope: [[VARIANT]],
-// CHECK-SAME: file: [[FILE]], line: 21,
+// CHECK-SAME: file: [[FILE]], line: 22,
 // CHECK-SAME: flags: DIFlagArtificial
 // CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "1", scope: [[VARIANT]],
-// CHECK-SAME: file: [[FILE]], line: 25,
+// CHECK-SAME: file: [[FILE]], line: 26,
 // CHECK-SAME: flags: DIFlagArtificial
 // CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "2", scope: [[VARIANT]],
-// CHECK-SAME: file: [[FILE]], line: 25,
+// CHECK-SAME: file: [[FILE]], line: 26,
 // CHECK-SAME: flags: DIFlagArtificial
 // CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "3", scope: [[VARIANT]],
-// CHECK-SAME: file: [[FILE]], line: 22,
+// CHECK-SAME: file: [[FILE]], line: 23,
 // CHECK-SAME: flags: DIFlagArtificial
 // CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "4", scope: [[VARIANT]],
-// CHECK-SAME: file: [[FILE]], line: 24,
+// CHECK-SAME: file: [[FILE]], line: 25,
 // CHECK-SAME: flags: DIFlagArtificial
 // CHECK:      [[S1:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Suspend1", scope: [[GEN]],
 // CHECK-SAME: flags: DIFlagArtificial
 // CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: [[S1]]
 // CHECK-NOT:  flags: DIFlagArtificial
 // CHECK-SAME: )
-// CHECK:      [[DISC]] = !DIDerivedType(tag: DW_TAG_member, name: "__state", scope: [[FN]],
+// CHECK:      [[DISC]] = !DIDerivedType(tag: DW_TAG_member, name: "__state", scope: [[ASYNC_FN]],
 // CHECK-SAME: flags: DIFlagArtificial
 
 fn main() {