bjoernager/rust
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Auto merge of #113406 - matthiaskrgr:rollup-0rprs5k, r=matthiaskrgr

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Rollup of 4 pull requests

Successful merges:

 - #112295 (Fix the tests-listing-format-json test on Windows)
 - #113246 (fix compiletest crash)
 - #113395 (Dont ICE for `dyn* Trait: Trait` (built-in object) goals during selection in new trait solver)
 - #113402 (Diagnose unsorted CGUs.)

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2023-07-06 10:29:49 +00:00
commit 4b6749b21e
5 changed files with 21 additions and 8 deletions
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10
compiler/rustc_trait_selection/src/solve/eval_ctxt/select.rs
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@ -213,15 +213,16 @@ fn rematch_object<'tcx>(
mut nested: Vec<PredicateObligation<'tcx>>,
) -> SelectionResult<'tcx, Selection<'tcx>> {
let self_ty = goal.predicate.self_ty();
let source_trait_ref = if let ty::Dynamic(data, _, ty::Dyn) = self_ty.kind() {
data.principal().unwrap().with_self_ty(infcx.tcx, self_ty)
} else {
let ty::Dynamic(data, _, source_kind) = *self_ty.kind()
else {
bug!()
};
let source_trait_ref = data.principal().unwrap().with_self_ty(infcx.tcx, self_ty);
let (is_upcasting, target_trait_ref_unnormalized) = if Some(goal.predicate.def_id())
== infcx.tcx.lang_items().unsize_trait()
{
assert_eq!(source_kind, ty::Dyn, "cannot upcast dyn*");
if let ty::Dynamic(data, _, ty::Dyn) = goal.predicate.trait_ref.substs.type_at(1).kind() {
(true, data.principal().unwrap().with_self_ty(infcx.tcx, self_ty))
} else {
@ -288,7 +289,8 @@ fn rematch_object<'tcx>(
bug!();
};
// If we're upcasting, get the offset of the vtable pointer, which is
// If we're upcasting, get the offset of the vtable pointer, otherwise get
// the base of the vtable.
Ok(Some(if is_upcasting {
ImplSource::TraitUpcasting(ImplSourceTraitUpcastingData { vtable_vptr_slot, nested })
} else {