rust/src/test/mir-opt/generator-storage-dead-unwind.rs
2020-04-07 15:09:01 +00:00

30 lines
585 B
Rust

// ignore-wasm32-bare compiled with panic=abort by default
// Test that we generate StorageDead on unwind paths for generators.
//
// Basic block and local names can safely change, but the StorageDead statements
// should not go away.
#![feature(generators, generator_trait)]
struct Foo(i32);
impl Drop for Foo {
fn drop(&mut self) {}
}
struct Bar(i32);
fn take<T>(_x: T) {}
// EMIT_MIR rustc.main-{{closure}}.StateTransform.before.mir
fn main() {
let _gen = || {
let a = Foo(5);
let b = Bar(6);
yield;
take(a);
take(b);
};
}