1 files changed, 98 insertions, 0 deletions
diff --git a/tests/debuginfo/generator-objects.rs b/tests/debuginfo/generator-objects.rs
new file mode 100644
index 00000000000..11c4ae2f659
--- /dev/null
+++ b/tests/debuginfo/generator-objects.rs
@@ -0,0 +1,98 @@
+// Require a gdb that can read DW_TAG_variant_part.
+// min-gdb-version: 8.2
+
+// LLDB without native Rust support cannot read DW_TAG_variant_part,
+// so it prints nothing for generators. But those tests are kept to
+// ensure that LLDB won't crash at least (like #57822).
+
+// compile-flags:-g
+
+// === GDB TESTS ===================================================================================
+
+// gdb-command:run
+// gdb-command:print b
+// gdb-check:$1 = generator_objects::main::{generator_env#0}::Unresumed{_ref__a: 0x[...]}
+// gdb-command:continue
+// gdb-command:print b
+// gdb-check:$2 = generator_objects::main::{generator_env#0}::Suspend0{c: 6, d: 7, _ref__a: 0x[...]}
+// gdb-command:continue
+// gdb-command:print b
+// gdb-check:$3 = generator_objects::main::{generator_env#0}::Suspend1{c: 7, d: 8, _ref__a: 0x[...]}
+// gdb-command:continue
+// gdb-command:print b
+// gdb-check:$4 = generator_objects::main::{generator_env#0}::Returned{_ref__a: 0x[...]}
+
+// === LLDB TESTS ==================================================================================
+
+// lldb-command:run
+// lldb-command:print b
+// lldbg-check:(generator_objects::main::{generator_env#0}) $0 =
+// lldb-command:continue
+// lldb-command:print b
+// lldbg-check:(generator_objects::main::{generator_env#0}) $1 =
+// lldb-command:continue
+// lldb-command:print b
+// lldbg-check:(generator_objects::main::{generator_env#0}) $2 =
+// lldb-command:continue
+// lldb-command:print b
+// lldbg-check:(generator_objects::main::{generator_env#0}) $3 =
+
+// === CDB TESTS ===================================================================================
+
+// cdb-command: g
+// cdb-command: dx b
+// cdb-check: b                : Unresumed [Type: enum2$<generator_objects::main::generator_env$0>]
+// cdb-check:    [+0x[...]] _ref__a          : 0x[...] : 5 [Type: int *]
+
+// cdb-command: g
+// cdb-command: dx b
+// cdb-check: b                : Suspend0 [Type: enum2$<generator_objects::main::generator_env$0>]
+// cdb-check:    [+0x[...]] c                : 6 [Type: int]
+// cdb-check:    [+0x[...]] d                : 7 [Type: int]
+// cdb-check:    [+0x[...]] _ref__a          : 0x[...] : 5 [Type: int *]
+
+// cdb-command: g
+// cdb-command: dx b
+// cdb-check: b                : Suspend1 [Type: enum2$<generator_objects::main::generator_env$0>]
+// cdb-check:    [+0x[...]] c                : 7 [Type: int]
+// cdb-check:    [+0x[...]] d                : 8 [Type: int]
+// cdb-check:    [+0x[...]] _ref__a          : 0x[...] : 6 [Type: int *]
+
+// cdb-command: g
+// cdb-command: dx b
+// cdb-check: b                : Returned [Type: enum2$<generator_objects::main::generator_env$0>]
+// cdb-check:    [+0x[...]] _ref__a          : 0x[...] : 6 [Type: int *]
+
+#![feature(omit_gdb_pretty_printer_section, generators, generator_trait)]
+#![omit_gdb_pretty_printer_section]
+
+use std::ops::Generator;
+use std::pin::Pin;
+
+fn main() {
+    let mut a = 5;
+    let mut b = || {
+        let mut c = 6;
+        let mut d = 7;
+
+        yield;
+        a += 1;
+        c += 1;
+        d += 1;
+
+        yield;
+        println!("{} {} {}", a, c, d);
+    };
+    _zzz(); // #break
+    Pin::new(&mut b).resume(());
+    _zzz(); // #break
+    Pin::new(&mut b).resume(());
+    _zzz(); // #break
+    Pin::new(&mut b).resume(());
+    _zzz(); // #break
+}
+
+#[inline(never)]
+fn _zzz() {
+    ()
+}