bjoernager/rust
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Fix ICE if no trait assoc const eq

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This commit is contained in:
kadmin 2022-02-10 16:00:54 +00:00
parent 56cd04af5c
commit 6bc28c82c4
3 changed files with 79 additions and 2 deletions
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5
compiler/rustc_typeck/src/collect/type_of.rs
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@ -508,8 +508,9 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> {
})
}) =>
{
// FIXME(associated_const_equality) when does this unwrap fail? I have no idea what case it would.
let trait_def_id = trait_ref.trait_def_id().unwrap();
let Some(trait_def_id) = trait_ref.trait_def_id() else {
return tcx.ty_error_with_message(DUMMY_SP, "Could not find trait");
};
let assoc_items = tcx.associated_items(trait_def_id);
let assoc_item = assoc_items.find_by_name_and_kind(
tcx, binding.ident, ty::AssocKind::Const, def_id.to_def_id(),