diff options
| -rw-r--r-- | compiler/rustc_typeck/src/astconv/mod.rs | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/compiler/rustc_typeck/src/astconv/mod.rs b/compiler/rustc_typeck/src/astconv/mod.rs index ee184a09391..dd6831e44fd 100644 --- a/compiler/rustc_typeck/src/astconv/mod.rs +++ b/compiler/rustc_typeck/src/astconv/mod.rs @@ -221,9 +221,12 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { tcx.mk_region(ty::ReLateBound(debruijn, br)) } - Some(rl::Region::EarlyBound(index, id)) => { - let name = lifetime_name(id.expect_local()); - tcx.mk_region(ty::ReEarlyBound(ty::EarlyBoundRegion { def_id: id, index, name })) + Some(rl::Region::EarlyBound(_, def_id)) => { + let name = tcx.hir().ty_param_name(def_id.expect_local()); + let item_def_id = tcx.hir().ty_param_owner(def_id.expect_local()); + let generics = tcx.generics_of(item_def_id); + let index = generics.param_def_id_to_index[&def_id]; + tcx.mk_region(ty::ReEarlyBound(ty::EarlyBoundRegion { def_id, index, name })) } Some(rl::Region::Free(scope, id)) => { |