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Winnow specialized impls during selection in new solver #113337

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We need to be able to winnow impls that are specialized by more specific impls in order for codegen to be able to proceed.

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 Jul 4, 2023
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rustbot commented Jul 4, 2023

Some changes occurred to the core trait solver

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

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one comment, then r=me

@rust-cloud-vms rust-cloud-vms bot force-pushed the next-solver-winnow-specializing branch from c6d7a93 to d2a1803 Compare July 5, 2023 06:19
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@bors r=lcnr rollup (new solver)

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bors commented Jul 5, 2023

📌 Commit d2a1803 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 5, 2023
Dylan-DPC added a commit to Dylan-DPC/rust that referenced this pull request Jul 5, 2023
…-specializing, r=lcnr

Winnow specialized impls during selection in new solver

We need to be able to winnow impls that are specialized by more specific impls in order for codegen to be able to proceed.

r? `@lcnr`
bors added a commit to rust-lang-ci/rust that referenced this pull request Jul 5, 2023
…mpiler-errors

Rollup of 8 pull requests

Successful merges:

 - rust-lang#113010 (rust-installer & rls: remove exclusion from rustfmt & tidy )
 - rust-lang#113317 ( -Ztrait-solver=next: stop depending on old solver)
 - rust-lang#113319 (`TypeParameterDefinition` always require a `DefId`)
 - rust-lang#113320 (Add some extra information to opaque type cycle errors)
 - rust-lang#113321 (Move `ty::ConstKind` to `rustc_type_ir`)
 - rust-lang#113337 (Winnow specialized impls during selection in new solver)
 - rust-lang#113355 (Move most coverage code out of `rustc_codegen_ssa`)
 - rust-lang#113356 (Add support for NetBSD/riscv64 aka. riscv64gc-unknown-netbsd.)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit c31fe41 into rust-lang:master Jul 5, 2023
@rustbot rustbot added this to the 1.72.0 milestone Jul 5, 2023
@compiler-errors compiler-errors deleted the next-solver-winnow-specializing branch August 11, 2023 20:10
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4 participants