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opaque type <code>structurally_resolve_type</code> breakage

Status: Open.

#231 In rust-lang/trait-system-refactor-initiative;

· lcnr opened on Sep 16, 2025

calling opaque types and <code>Copy</code> closures footgun

Status: Open.

#230 In rust-lang/trait-system-refactor-initiative;

· lcnr opened on Sep 15, 2025

blanket impl handling for not-yet-defined opaque types is not uwu

Status: Open.

#229 In rust-lang/trait-system-refactor-initiative;

· lcnr opened on Sep 10, 2025

compiling <code>wg-grammar</code> is slow

A-performance

Status: Open.

#228 In rust-lang/trait-system-refactor-initiative;

· lcnr opened on Aug 27, 2025

member constraints for new non-defining uses can result in incorrect constraints

Status: Open.

#227 In rust-lang/trait-system-refactor-initiative;

· lcnr opened on Aug 27, 2025

we avoid assembling impls shadowed by where-bounds

stabilization-report-relevantRelevant for stabilization report for new solver (new breakage, new capabilities)Relevant for stabilization report for new solver (new breakage, new capabilities)

Status: Open.

#226 In rust-lang/trait-system-refactor-initiative;

· lcnr opened on Jul 31, 2025

<code>konnorandrews/supply</code> 100x slowdown

A-performance

Status: Open.

#225 In rust-lang/trait-system-refactor-initiative;

· lcnr opened on Jun 10, 2025

<code>client_side_validation</code> regression

from-craterA regression found via a crater run, not part of our test suiteA regression found via a crater run, not part of our test suite

Status: Open.

#224 In rust-lang/trait-system-refactor-initiative;

· compiler-errors opened on Jun 9, 2025

is <code>NormalizesTo</code>/<code>Projection</code> split still necessary?

A-normalization

S-cleanup

Status: Open.

#223 In rust-lang/trait-system-refactor-initiative;

· lcnr opened on May 30, 2025

paper-wars regression

from-craterA regression found via a crater run, not part of our test suiteA regression found via a crater run, not part of our test suite

Status: Open.

#220 In rust-lang/trait-system-refactor-initiative;

· compiler-errors opened on May 28, 2025

eagerly normalizing the <code>param_env</code> triggers impl shadowing in unavoidable ways

A-normalization

Status: Open.

#219 In rust-lang/trait-system-refactor-initiative;

· lcnr opened on May 28, 2025

<code>fixed_map</code>: <code>derive(Key)</code> treats alias as rigid

from-craterA regression found via a crater run, not part of our test suiteA regression found via a crater run, not part of our test suite

Status: Open.

#216 In rust-lang/trait-system-refactor-initiative;

· lcnr opened on May 21, 2025