tests/debuginfo/issue-57822.rs

// This test makes sure that the LLDB pretty printer does not throw an exception
// for nested closures and coroutines.

// LLDB 1800+ tests were not tested in CI, broke, and now are disabled
//@ ignore-lldb
//@ compile-flags:-g
//@ disable-gdb-pretty-printers
//@ ignore-backends: gcc

// === 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::{coroutine_env#3}::Unresumed{a: issue_57822::main::{coroutine_env#2}::Unresumed{y: 2}}

// === LLDB TESTS ==================================================================================

//@ lldb-command:run

//@ lldb-command:v g
//@ lldb-check:(issue_57822::main::{closure_env#1}) g = { f = { x = 1 } }

//@ lldb-command:v b
//@ lldb-check:(issue_57822::main::{coroutine_env#3}) b = 2{a:2{y:2}} { a = 2{y:2} { y = 2 } }

#![feature(coroutines, coroutine_trait, stmt_expr_attributes)]

use std::ops::Coroutine;
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 = #[coroutine]
    move || {
        y += 1;
        yield;
    };
    let mut b = #[coroutine]
    move || {
        Pin::new(&mut a).resume(());
        yield;
    };

    zzz(); // #break
}

fn zzz() {
    ()
}