1 files changed, 55 insertions, 0 deletions
diff --git a/tests/debuginfo/issue-57822.rs b/tests/debuginfo/issue-57822.rs
new file mode 100644
index 000000000..62e7eb13c
--- /dev/null
+++ b/tests/debuginfo/issue-57822.rs
@@ -0,0 +1,55 @@
+// This test makes sure that the LLDB pretty printer does not throw an exception
+// for nested closures and generators.
+
+// Require a gdb that can read DW_TAG_variant_part.
+// min-gdb-version: 8.2
+
+// compile-flags:-g
+
+// === GDB TESTS ===================================================================================
+
+// gdb-command:run
+
+// gdb-command:print g
+// gdb-check:$1 = issue_57822::main::{closure_env#1} {f: issue_57822::main::{closure_env#0} {x: 1}}
+
+// gdb-command:print b
+// gdb-check:$2 = issue_57822::main::{generator_env#3}::Unresumed{a: issue_57822::main::{generator_env#2}::Unresumed{y: 2}}
+
+// === LLDB TESTS ==================================================================================
+
+// lldb-command:run
+
+// lldb-command:print g
+// lldbg-check:(issue_57822::main::{closure_env#1}) $0 = { f = { x = 1 } }
+
+// lldb-command:print b
+// lldbg-check:(issue_57822::main::{generator_env#3}) $1 =
+
+#![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 x = 1;
+    let f = move || x;
+    let g = move || f();
+
+    let mut y = 2;
+    let mut a = move || {
+        y += 1;
+        yield;
+    };
+    let mut b = move || {
+        Pin::new(&mut a).resume(());
+        yield;
+    };
+
+    zzz(); // #break
+}
+
+fn zzz() {
+    ()
+}