rust/tests/mir-opt/const_prop/mutable_variable_aggregate.rs
2023-12-02 20:49:38 +00:00

15 lines
391 B
Rust

// unit-test: ConstProp
// EMIT_MIR mutable_variable_aggregate.main.ConstProp.diff
fn main() {
// CHECK-LABEL: fn main(
// CHECK: debug x => [[x:_.*]];
// CHECK: debug y => [[y:_.*]];
// CHECK: [[x]] = const (42_i32, 43_i32);
// CHECK: ([[x]].1: i32) = const 99_i32;
// CHECK: [[y]] = const (42_i32, 99_i32);
let mut x = (42, 43);
x.1 = 99;
let y = x;
}