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Fix ICE in default impl error reporting

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This commit is contained in:
Michael Goulet
2022-11-01 01:42:47 +00:00
parent 32dae918a1
commit 0f632c8f78
3 changed files with 52 additions and 1 deletions
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4
compiler/rustc_middle/src/ty/error.rs
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@@ -430,7 +430,9 @@ impl<'tcx> TyCtxt<'tcx> {
(ty::Projection(_), ty::Projection(_)) => {
diag.note("an associated type was expected, but a different one was found");
}
(ty::Param(p), ty::Projection(proj)) | (ty::Projection(proj), ty::Param(p)) => {
(ty::Param(p), ty::Projection(proj)) | (ty::Projection(proj), ty::Param(p))
if self.def_kind(proj.item_def_id) != DefKind::ImplTraitPlaceholder =>
{
let generics = self.generics_of(body_owner_def_id);
let p_span = self.def_span(generics.type_param(p, self).def_id);
if !sp.contains(p_span) {