Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 59 insertions, 0 deletions

diff --git a/tests/codegen/generator-debug-msvc.rs b/tests/codegen/generator-debug-msvc.rs
new file mode 100644
index 000000000..9d70ccdef
--- /dev/null
+++ b/tests/codegen/generator-debug-msvc.rs
@@ -0,0 +1,59 @@
+// Verify debuginfo for generators:
+//  - Each variant points to the file and line of its yield point
+//  - The discriminants are marked artificial
+//  - Other fields are not marked artificial
+//
+//
+// compile-flags: -C debuginfo=2
+// only-msvc
+
+#![feature(generators, generator_trait)]
+use std::ops::Generator;
+
+fn generator_test() -> impl Generator<Yield = i32, Return = ()> {
+    || {
+        yield 0;
+        let s = String::from("foo");
+        yield 1;
+    }
+}
+
+// FIXME: No way to reliably check the filename.
+
+// CHECK-DAG:  [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_union_type, name: "enum2$<generator_debug_msvc::generator_test::generator_env$0>"
+// CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant0", scope: [[GEN]],
+// For brevity, we only check the struct name and members of the last variant.
+// CHECK-SAME: file: [[FILE:![0-9]*]], line: 14,
+// CHECK-NOT:  flags: DIFlagArtificial
+// CHECK-SAME: )
+// CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant1", scope: [[GEN]],
+// CHECK-SAME: file: [[FILE]], line: 18,
+// CHECK-NOT:  flags: DIFlagArtificial
+// CHECK-SAME: )
+// CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant2", scope: [[GEN]],
+// CHECK-SAME: file: [[FILE]], line: 18,
+// CHECK-NOT:  flags: DIFlagArtificial
+// CHECK-SAME: )
+// CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant3", scope: [[GEN]],
+// CHECK-SAME: file: [[FILE]], line: 15,
+// CHECK-NOT:  flags: DIFlagArtificial
+// CHECK-SAME: )
+// CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant4", scope: [[GEN]],
+// CHECK-SAME: file: [[FILE]], line: 17,
+// CHECK-SAME: baseType: [[VARIANT_WRAPPER:![0-9]*]]
+// CHECK-NOT:  flags: DIFlagArtificial
+// CHECK-SAME: )
+// CHECK:      [[VARIANT_WRAPPER]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Variant4", scope: [[GEN]],
+// CHECK:      !DIDerivedType(tag: DW_TAG_member, name: "value", scope: [[VARIANT_WRAPPER]], {{.*}}, baseType: [[VARIANT:![0-9]*]],
+// CHECK:      [[VARIANT]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Suspend1", scope: [[GEN]],
+// CHECK-NOT:  flags: DIFlagArtificial
+// CHECK-SAME: )
+// CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: [[VARIANT]]
+// CHECK-NOT:  flags: DIFlagArtificial
+// CHECK-SAME: )
+// CHECK:      {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "tag", scope: [[GEN]],
+// CHECK-NOT: flags: DIFlagArtificial
+
+fn main() {
+    let _dummy = generator_test();
+}