rust/tests/debuginfo/issue-57822.rs

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// This test makes sure that the LLDB pretty printer does not throw an exception
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// for nested closures and coroutines.
// Require a gdb that can read DW_TAG_variant_part.
//@ min-gdb-version: 8.2
//@ min-lldb-version: 1800
//@ 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
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// 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
// lldbg-check:(issue_57822::main::{closure_env#1}) g = { f = { x = 1 } }
// lldb-command:v b
// lldbg-check:(issue_57822::main::{coroutine_env#3}) b = { value = { a = { value = { y = 2 } $discr$ = '\x02' } } $discr$ = '\x02' }
#![feature(omit_gdb_pretty_printer_section, coroutines, coroutine_trait, stmt_expr_attributes)]
#![omit_gdb_pretty_printer_section]
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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() {
()
}