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src/test/ui/closures/issue-84044-drop-non-mut.rs
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src/test/ui/closures/issue-84044-drop-non-mut.rs
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// #84044: This used to ICE.
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fn main() {
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let f = || {};
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drop(&mut f); //~ ERROR cannot borrow `f` as mutable, as it is not declared as mutable
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}
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src/test/ui/closures/issue-84044-drop-non-mut.stderr
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src/test/ui/closures/issue-84044-drop-non-mut.stderr
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error[E0596]: cannot borrow `f` as mutable, as it is not declared as mutable
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--> $DIR/issue-84044-drop-non-mut.rs:5:10
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LL | let f = || {};
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| - help: consider changing this to be mutable: `mut f`
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LL | drop(&mut f);
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| ^^^^^^ cannot borrow as mutable
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0596`.
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