41 lines
700 B
Rust
41 lines
700 B
Rust
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// Regression test for #89606. Used to ICE.
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//
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// check-pass
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// revisions: twenty_eighteen twenty_twentyone
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// [twenty_eighteen]compile-flags: --edition 2018
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// [twenty_twentyone]compile-flags: --edition 2021
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struct S<'a>(Option<&'a mut i32>);
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fn by_ref(s: &mut S<'_>) {
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(|| {
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let S(_o) = s;
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s.0 = None;
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})();
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}
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fn by_value(s: S<'_>) {
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(|| {
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let S(ref _o) = s;
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let _g = s.0;
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})();
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}
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struct V<'a>((Option<&'a mut i32>,));
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fn nested(v: &mut V<'_>) {
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(|| {
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let V((_o,)) = v;
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v.0 = (None, );
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})();
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}
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fn main() {
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let mut s = S(None);
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by_ref(&mut s);
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by_value(s);
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let mut v = V((None, ));
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nested(&mut v);
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}
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