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Report overflows gracefully with new solver #110103

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merged 1 commit into from
Apr 13, 2023

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avoid reporting overflows as ambiguity errors, so that the error message is clearer.

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 labels Apr 9, 2023
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rustbot commented Apr 9, 2023

Some changes occurred to the core trait solver

cc @rust-lang/initiative-trait-system-refactor

Comment on lines 131 to 134
CodeAmbiguity,
/// Overflow reported from the new solver `-Ztrait-solver=next`, which will
/// be reported as an regular error as opposed to a fatal error.
CodeOverflow,
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can you merge CodeOverflow with CodeAmbiguity?

This should make it clearer that overflow should be treated as ambiguous and not as an actual hard error.

So something like CodeAmbuguity { overflow: bool }

r=me after that

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bors commented Apr 10, 2023

☔ The latest upstream changes (presumably #110137) made this pull request unmergeable. Please resolve the merge conflicts.

@rust-cloud-vms rust-cloud-vms bot force-pushed the new-solver-overflows branch 2 times, most recently from b374229 to 9f9df8f Compare April 10, 2023 16:11
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@bors r=lcnr

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bors commented Apr 10, 2023

📌 Commit 05a6daa 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 Apr 10, 2023
Dylan-DPC added a commit to Dylan-DPC/rust that referenced this pull request Apr 11, 2023
…ws, r=lcnr

Report overflows gracefully with new solver

avoid reporting overflows as ambiguity errors, so that the error message is clearer.

r? `@lcnr`
compiler-errors added a commit to compiler-errors/rust that referenced this pull request Apr 11, 2023
…ws, r=lcnr

Report overflows gracefully with new solver

avoid reporting overflows as ambiguity errors, so that the error message is clearer.

r? ``@lcnr``
bors added a commit to rust-lang-ci/rust that referenced this pull request Apr 12, 2023
…iaskrgr

Rollup of 8 pull requests

Successful merges:

 - rust-lang#109810 (Replace rustdoc-ui/{c,z}-help tests with a stable run-make test )
 - rust-lang#110035 (fix: ensure bad `#[test]` invocs retain correct AST)
 - rust-lang#110089 (sync::mpsc: synchronize receiver disconnect with initialization)
 - rust-lang#110103 (Report overflows gracefully with new solver)
 - rust-lang#110122 (Fix x check --stage 1 when download-ci-llvm=false)
 - rust-lang#110133 (Do not use ImplDerivedObligationCause for inherent impl method error reporting)
 - rust-lang#110135 (Revert "Don't recover lifetimes/labels containing emojis as character literals")
 - rust-lang#110235 (Fix `--extend-css` option)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 92eb364 into rust-lang:master Apr 13, 2023
@rustbot rustbot added this to the 1.70.0 milestone Apr 13, 2023
@compiler-errors compiler-errors deleted the new-solver-overflows branch August 11, 2023 20:09
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4 participants