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Don't compare host param by name

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This commit is contained in:
Michael Goulet 2023-10-18 02:27:03 +00:00
parent 09df6108c8
commit 9917ef9a66
3 changed files with 10 additions and 11 deletions
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9
compiler/rustc_hir_analysis/src/bounds.rs
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@ -46,10 +46,11 @@ impl<'tcx> Bounds<'tcx> {
) {
self.push_trait_bound_inner(tcx, trait_ref, span, polarity);
// if we have a host param, we push an unconst trait bound in addition
// to the const one.
// FIXME(effects) we should find a better way than name matching
if tcx.features().effects && trait_ref.skip_binder().args.host_effect_param().is_some() {
// push a non-const (`host = true`) version of the bound if it is `~const`.
if tcx.features().effects
&& let Some(host_effect_idx) = tcx.generics_of(trait_ref.def_id()).host_effect_index
&& trait_ref.skip_binder().args.const_at(host_effect_idx) != tcx.consts.true_
{
let generics = tcx.generics_of(trait_ref.def_id());
let Some(host_index) = generics.host_effect_index else { return };
let trait_ref = trait_ref.map_bound(|mut trait_ref| {