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Merge commit '1480cea393d0cee195e59949eabdfbcf1230f7f9' into clippyup
[rust.git] / tests / mir-opt / nrvo_simple.rs
1 // unit-test: RenameReturnPlace
2
3 // EMIT_MIR nrvo_simple.nrvo.RenameReturnPlace.diff
4 fn nrvo(init: fn(&mut [u8; 1024])) -> [u8; 1024] {
5     let mut buf = [0; 1024];
6     init(&mut buf);
7     buf
8 }
9
10 fn main() {
11     let _ = nrvo(|buf| { buf[4] = 4; });
12 }