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Actually report normalization-based type errors correctly for alias-relate obligations in new solver #126403

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merged 1 commit into from
Jul 3, 2024

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We have some special casing to report type mismatch errors that come from projection predicates, but we don't do that for alias-relate obligations. This PR implements that. There's a bit of code duplication, but 🤷

Best reviewed without whitespace.

r? lcnr

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver) labels Jun 13, 2024
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bors commented Jun 15, 2024

☔ The latest upstream changes (presumably #126491) made this pull request unmergeable. Please resolve the merge conflicts.

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bors commented Jun 28, 2024

☔ The latest upstream changes (presumably #127076) made this pull request unmergeable. Please resolve the merge conflicts.

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lcnr commented Jul 2, 2024

r=me after CI

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@bors r=lcnr rollup

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bors commented Jul 2, 2024

📌 Commit ecdaff2 has been approved by lcnr

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jul 2, 2024
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Jul 2, 2024
…, r=lcnr

Actually report normalization-based type errors correctly for alias-relate obligations in new solver

We have some special casing to report type mismatch errors that come from projection predicates, but we don't do that for alias-relate obligations. This PR implements that. There's a bit of code duplication, but 🤷

Best reviewed without whitespace.

r? lcnr
bors added a commit to rust-lang-ci/rust that referenced this pull request Jul 3, 2024
…iaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang#126403 (Actually report normalization-based type errors correctly for alias-relate obligations in new solver)
 - rust-lang#126803 (Change `asm-comments` to `verbose-asm`, always emit user comments)
 - rust-lang#126917 (Disable rmake test `inaccessible-temp-dir` on riscv64)
 - rust-lang#127050 (Make mtime of reproducible tarballs dependent on git commit)
 - rust-lang#127145 (Add `as_lang_item` to `LanguageItems`, new trait solver)
 - rust-lang#127184 (More refactorings to rustc_interface)
 - rust-lang#127202 (Remove global error count checks from typeck)
 - rust-lang#127233 (Some parser cleanups)
 - rust-lang#127245 (Add a test for `generic_const_exprs`)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit to rust-lang-ci/rust that referenced this pull request Jul 3, 2024
…iaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang#126403 (Actually report normalization-based type errors correctly for alias-relate obligations in new solver)
 - rust-lang#126803 (Change `asm-comments` to `verbose-asm`, always emit user comments)
 - rust-lang#126917 (Disable rmake test `inaccessible-temp-dir` on riscv64)
 - rust-lang#127050 (Make mtime of reproducible tarballs dependent on git commit)
 - rust-lang#127145 (Add `as_lang_item` to `LanguageItems`, new trait solver)
 - rust-lang#127184 (More refactorings to rustc_interface)
 - rust-lang#127202 (Remove global error count checks from typeck)
 - rust-lang#127233 (Some parser cleanups)
 - rust-lang#127245 (Add a test for `generic_const_exprs`)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit to rust-lang-ci/rust that referenced this pull request Jul 3, 2024
Rollup of 8 pull requests

Successful merges:

 - rust-lang#123588 (Stabilize `hint::assert_unchecked`)
 - rust-lang#126403 (Actually report normalization-based type errors correctly for alias-relate obligations in new solver)
 - rust-lang#126917 (Disable rmake test `inaccessible-temp-dir` on riscv64)
 - rust-lang#127115 (unreferenced-used-static: run test everywhere)
 - rust-lang#127204 (Stabilize atomic_bool_fetch_not)
 - rust-lang#127239 (remove unnecessary ignore-endian-big from stack-overflow-trait-infer …)
 - rust-lang#127245 (Add a test for `generic_const_exprs`)
 - rust-lang#127246 (Give remote-test-client a longer timeout)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit b1b9804 into rust-lang:master Jul 3, 2024
6 checks passed
@rustbot rustbot added this to the 1.81.0 milestone Jul 3, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Jul 3, 2024
Rollup merge of rust-lang#126403 - compiler-errors:better-type-errors, r=lcnr

Actually report normalization-based type errors correctly for alias-relate obligations in new solver

We have some special casing to report type mismatch errors that come from projection predicates, but we don't do that for alias-relate obligations. This PR implements that. There's a bit of code duplication, but 🤷

Best reviewed without whitespace.

r? lcnr
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5 participants