mirror of https://github.com/rust-lang/rust
48 lines
1.3 KiB
Rust
48 lines
1.3 KiB
Rust
//@ check-pass
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// Regression test for issue #27583. Unclear how useful this will be
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// going forward, since the issue in question was EXTREMELY sensitive
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// to compiler internals (like the precise numbering of nodes), but
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// what the hey.
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#![allow(warnings)]
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use std::cell::Cell;
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use std::marker::PhantomData;
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pub trait Delegate<'tcx> { }
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pub struct InferCtxt<'a, 'tcx: 'a> {
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x: PhantomData<&'a Cell<&'tcx ()>>
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}
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pub struct MemCategorizationContext<'t, 'a: 't, 'tcx : 'a> {
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x: &'t InferCtxt<'a, 'tcx>,
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}
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pub struct ExprUseVisitor<'d, 't, 'a: 't, 'tcx:'a+'d> {
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typer: &'t InferCtxt<'a, 'tcx>,
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mc: MemCategorizationContext<'t, 'a, 'tcx>,
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delegate: &'d mut (Delegate<'tcx>+'d),
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}
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impl<'d,'t,'a,'tcx> ExprUseVisitor<'d,'t,'a,'tcx> {
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pub fn new(delegate: &'d mut Delegate<'tcx>,
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typer: &'t InferCtxt<'a, 'tcx>)
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-> ExprUseVisitor<'d,'t,'a,'tcx>
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{
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ExprUseVisitor {
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typer: typer,
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mc: MemCategorizationContext::new(typer),
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delegate: delegate,
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}
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}
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}
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impl<'t, 'a,'tcx> MemCategorizationContext<'t, 'a, 'tcx> {
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pub fn new(typer: &'t InferCtxt<'a, 'tcx>) -> MemCategorizationContext<'t, 'a, 'tcx> {
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MemCategorizationContext { x: typer }
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}
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}
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fn main() { }
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