mirror of https://github.com/rust-lang/rust
24 lines
575 B
Rust
24 lines
575 B
Rust
// Original regression test for Issue #30438.
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use std::ops::Index;
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struct Test<'a> {
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s: &'a String
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}
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impl <'a> Index<usize> for Test<'a> {
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type Output = Test<'a>;
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fn index(&self, _: usize) -> &Self::Output {
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return &Test { s: &self.s};
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//~^ ERROR: cannot return reference to temporary value
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}
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}
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fn main() {
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let s = "Hello World".to_string();
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let test = Test{s: &s};
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let r = &test[0];
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println!("{}", test.s); // OK since test is valid
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println!("{}", r.s); // Segfault since value pointed by r has already been dropped
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}
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