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// skip-filecheck
//@ compile-flags: -O -C debuginfo=0 -Zmir-opt-level=2 -Zinline-mir
//@ only-64bit
//@ ignore-debug the standard library debug assertions leak into this test
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
#![crate_type = "lib"]
// EMIT_MIR mem_replace.manual_replace.PreCodegen.after.mir
pub fn manual_replace(r: &mut u32, v: u32) -> u32 {
let temp = *r;
*r = v;
temp
}
// EMIT_MIR mem_replace.mem_replace.PreCodegen.after.mir
pub fn mem_replace(r: &mut u32, v: u32) -> u32 {
std::mem::replace(r, v)
}
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