mirror of https://github.com/rust-lang/rust
25 lines
554 B
Rust
25 lines
554 B
Rust
// Ensure that we point the user to the erroneous borrow but not to any subsequent borrows of that
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// initial one.
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const _: i32 = {
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let mut a = 5;
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let p = &mut a; //~ ERROR mutable references are not allowed in constants
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let reborrow = {p};
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let pp = &reborrow;
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let ppp = &pp;
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***ppp
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};
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const _: std::cell::Cell<i32> = {
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let mut a = std::cell::Cell::new(5);
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let p = &a; //~ ERROR borrowed element may contain interior mutability
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let reborrow = {p};
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let pp = &reborrow;
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let ppp = &pp;
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a
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};
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fn main() {}
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