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Don't ICE when encountering bound regions in generator interior type

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This commit is contained in:
Michael Goulet 2024-03-14 11:50:17 -04:00
parent f296c162d8
commit 67f1c53c05
2 changed files with 3 additions and 1 deletions
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1
compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs
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@ -97,7 +97,6 @@ pub(in crate::solve) fn replace_erased_lifetimes_with_bound_vars<'tcx>(
tcx: TyCtxt<'tcx>, tcx: TyCtxt<'tcx>,
ty: Ty<'tcx>, ty: Ty<'tcx>,
) -> ty::Binder<'tcx, Ty<'tcx>> { ) -> ty::Binder<'tcx, Ty<'tcx>> {
debug_assert!(!ty.has_bound_regions());
let mut counter = 0; let mut counter = 0;
let ty = tcx.fold_regions(ty, |r, current_depth| match r.kind() { let ty = tcx.fold_regions(ty, |r, current_depth| match r.kind() {
ty::ReErased => { ty::ReErased => {

3
tests/ui/async-await/send-bound-async-closure.rs
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@ -1,5 +1,8 @@
//@ edition: 2021 //@ edition: 2021
//@ check-pass //@ check-pass
//@ revisions: current next
//@ ignore-compare-mode-next-solver (explicit revisions)
//@[next] compile-flags: -Znext-solver
// This test verifies that we do not create a query cycle when typechecking has several inference // This test verifies that we do not create a query cycle when typechecking has several inference
// variables that point to the same coroutine interior type. // variables that point to the same coroutine interior type.