//@ test-mir-pass: GVN | |
//@ compile-flags: -Zdump-mir-exclude-alloc-bytes | |
// EMIT_MIR mutable_variable_aggregate_mut_ref.main.GVN.diff | |
fn main() { | |
// CHECK-LABEL: fn main( | |
// CHECK: debug x => [[x:_.*]]; | |
// CHECK: debug z => [[z:_.*]]; | |
// CHECK: debug y => [[y:_.*]]; | |
// CHECK: [[x]] = const (42_i32, 43_i32); | |
// CHECK: [[z]] = &mut [[x]]; | |
// CHECK: ((*[[z]]).1: i32) = const 99_i32; | |
// CHECK: [[y]] = [[x]]; | |
let mut x = (42, 43); | |
let z = &mut x; | |
z.1 = 99; | |
let y = x; | |
} |