mirror of https://github.com/rust-lang/rust
26 lines
622 B
Rust
26 lines
622 B
Rust
//@ run-pass
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// When the NRVO is applied, the return place (`_0`) gets treated like a normal local. For example,
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// its address may be taken and it may be written to indirectly. Ensure that the const-eval
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// interpreter can handle this.
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#[inline(never)] // Try to ensure that MIR optimizations don't optimize this away.
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const fn init(buf: &mut [u8; 1024]) {
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buf[33] = 3;
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buf[444] = 4;
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}
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const fn nrvo() -> [u8; 1024] {
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let mut buf = [0; 1024];
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init(&mut buf);
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buf
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}
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const BUF: [u8; 1024] = nrvo();
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fn main() {
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assert_eq!(BUF[33], 3);
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assert_eq!(BUF[19], 0);
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assert_eq!(BUF[444], 4);
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}
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