Skip to content

Prevent MIRI ICE by bubbling up #100967

New issue

Have a question about this project? # for a free GitHub account to open an issue and contact its maintainers and the community.

#

By clicking “#”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? # to your account

Closed
wants to merge 4 commits into from
Closed

Prevent MIRI ICE by bubbling up #100967

Show file tree
Hide file tree
Changes from 2 commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
ce7b755
Prevent MIRI ice by bubbling up
ouz-a Aug 24, 2022
8b0690a
fmt
ouz-a Aug 24, 2022
144838e
add comment
ouz-a Aug 24, 2022
e29d1ad
Clearer comment
ouz-a Aug 25, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 2 additions & 2 deletions compiler/rustc_traits/src/normalize_erasing_regions.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
use rustc_infer::infer::TyCtxtInferExt;
use rustc_infer::infer::{DefiningAnchor, TyCtxtInferExt};
use rustc_middle::traits::query::NoSolution;
use rustc_middle::ty::query::Providers;
use rustc_middle::ty::{self, ParamEnvAnd, TyCtxt, TypeFoldable};
Expand Down Expand Up @@ -30,7 +30,7 @@ fn try_normalize_after_erasing_regions<'tcx, T: TypeFoldable<'tcx> + PartialEq +
goal: ParamEnvAnd<'tcx, T>,
) -> Result<T, NoSolution> {
let ParamEnvAnd { param_env, value } = goal;
tcx.infer_ctxt().enter(|infcx| {
tcx.infer_ctxt().with_opaque_type_inference(DefiningAnchor::Bubble).enter(|infcx| {
let cause = ObligationCause::dummy();
match infcx.at(&cause, param_env).normalize(value) {
Ok(Normalized { value: normalized_value, obligations: normalized_obligations }) => {
Expand Down
4 changes: 2 additions & 2 deletions compiler/rustc_traits/src/normalize_projection_ty.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
use rustc_infer::infer::canonical::{Canonical, QueryResponse};
use rustc_infer::infer::TyCtxtInferExt;
use rustc_infer::infer::{DefiningAnchor, TyCtxtInferExt};
use rustc_infer::traits::TraitEngineExt as _;
use rustc_middle::ty::query::Providers;
use rustc_middle::ty::{ParamEnvAnd, TyCtxt};
Expand All @@ -21,7 +21,7 @@ fn normalize_projection_ty<'tcx>(
debug!("normalize_provider(goal={:#?})", goal);

tcx.sess.perf_stats.normalize_projection_ty.fetch_add(1, Ordering::Relaxed);
tcx.infer_ctxt().enter_canonical_trait_query(
tcx.infer_ctxt().with_opaque_type_inference(DefiningAnchor::Bubble).enter_canonical_trait_query(
&goal,
|infcx, fulfill_cx, ParamEnvAnd { param_env, value: goal }| {
let selcx = &mut SelectionContext::new(infcx);
Expand Down