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correctly deal with late-bound lifetimes in anon consts

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This commit is contained in:
Bastian Kauschke
2020-11-22 13:57:11 +01:00
parent 63a83c5f55
commit 15f0921d0c
6 changed files with 71 additions and 8 deletions
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8
compiler/rustc_mir/src/borrow_check/universal_regions.rs
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@@ -788,13 +788,13 @@ fn for_each_late_bound_region_defined_on<'tcx>(
fn_def_id: DefId,
mut f: impl FnMut(ty::Region<'tcx>),
) {
if let Some(late_bounds) = tcx.is_late_bound_map(fn_def_id.expect_local()) {
for late_bound in late_bounds.iter() {
let hir_id = HirId { owner: fn_def_id.expect_local(), local_id: *late_bound };
if let Some((owner, late_bounds)) = tcx.is_late_bound_map(fn_def_id.expect_local()) {
for &late_bound in late_bounds.iter() {
let hir_id = HirId { owner, local_id: late_bound };
let name = tcx.hir().name(hir_id);
let region_def_id = tcx.hir().local_def_id(hir_id);
let liberated_region = tcx.mk_region(ty::ReFree(ty::FreeRegion {
scope: fn_def_id,
scope: owner.to_def_id(),
bound_region: ty::BoundRegionKind::BrNamed(region_def_id.to_def_id(), name),
}));
f(liberated_region);