rust/tests/mir-opt/copy-prop/dead_stores_79191.rs

20 lines
269 B
Rust

// skip-filecheck
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
//@ test-mir-pass: CopyProp
fn id<T>(x: T) -> T {
x
}
// EMIT_MIR dead_stores_79191.f.CopyProp.after.mir
fn f(mut a: usize) -> usize {
let b = a;
a = 5;
a = b;
id(a)
}
fn main() {
f(0);
}