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Make sure that args are compatible in resolve_associated_item

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This commit is contained in:
Michael Goulet 2024-07-24 22:59:38 -04:00
parent 2ccafed862
commit 40d132f0f8
11 changed files with 108 additions and 130 deletions
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15
compiler/rustc_ty_utils/src/instance.rs
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@ -191,11 +191,22 @@ fn resolve_associated_item<'tcx>(
// Any final impl is required to define all associated items.
if !leaf_def.item.defaultness(tcx).has_value() {
let guard = tcx.dcx().span_delayed_bug(
let guar = tcx.dcx().span_delayed_bug(
tcx.def_span(leaf_def.item.def_id),
"missing value for assoc item in impl",
);
return Err(guard);
return Err(guar);
}
// Make sure that we're projecting to an item that has compatible args.
// This may happen if we are resolving an instance before codegen, such
// as during inlining. This check is also done in projection.
if !tcx.check_args_compatible(leaf_def.item.def_id, args) {
let guar = tcx.dcx().span_delayed_bug(
tcx.def_span(leaf_def.item.def_id),
"missing value for assoc item in impl",
);
return Err(guar);
}
let args = tcx.erase_regions(args);