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rust_2021_incompatible_or_patterns misses some patterns that fail in 2021

A-edition-2021Area: The 2021 editionArea: The 2021 edition

A-suggestion-diagnosticsArea: Suggestions generated by the compiler applied by `cargo fix`Area: Suggestions generated by the compiler applied by `cargo fix`

C-bugCategory: This is a bug.Category: This is a bug.

F-or_patterns`#![feature(or_patterns)]``#![feature(or_patterns)]`

Status: Closed (completed).

#88106 In rust-lang/rust;

· by ehuss was closed on Aug 30, 2021

Migration for or patterns

E-help-wantedCall for participation: Help is requested to fix this issue.Call for participation: Help is requested to fix this issue.

E-mediumCall for participation: Medium difficulty. Experience needed to fix: Intermediate.Call for participation: Medium difficulty. Experience needed to fix: Intermediate.

E-mentorCall for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.

F-or_patterns`#![feature(or_patterns)]``#![feature(or_patterns)]`

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Closed (completed).

#83318 In rust-lang/rust;

· by nikomatsakis was closed on Apr 2, 2021

Identify unreachable subpatterns more reliably

A-exhaustiveness-checkingRelating to exhaustiveness / usefulness checking of patternsRelating to exhaustiveness / usefulness checking of patterns

F-or_patterns`#![feature(or_patterns)]``#![feature(or_patterns)]`

merged-by-borsThis PR was explicitly merged by bors.This PR was explicitly merged by bors.

S-waiting-on-borsStatus: Waiting on bors to run and complete tests. Bors will change the label on completion.Status: Waiting on bors to run and complete tests. Bors will change the label on completion.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Merged (completed).

rust-lang/rustnumber 80632

#80632 In rust-lang/rust;

· by Nadrieril was closed on Feb 7, 2021

 ·  

1.52.0

or-patterns: enable :pat to match top_pat

A-patternsRelating to patterns and pattern matchingRelating to patterns and pattern matching

F-or_patterns`#![feature(or_patterns)]``#![feature(or_patterns)]`

S-waiting-on-authorStatus: This is awaiting some action (such as code changes or more information) from the author.Status: This is awaiting some action (such as code changes or more information) from the author.

Status: Closed (abandoned).

rust-lang/rustnumber 78935

#78935 In rust-lang/rust;

· by mark-i-m was closed on Dec 16, 2020

Explicitly checking for or-pattern before test

A-patternsRelating to patterns and pattern matchingRelating to patterns and pattern matching

F-or_patterns`#![feature(or_patterns)]``#![feature(or_patterns)]`

S-waiting-on-borsStatus: Waiting on bors to run and complete tests. Bors will change the label on completion.Status: Waiting on bors to run and complete tests. Bors will change the label on completion.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Merged (completed).

rust-lang/rustnumber 78856

#78856 In rust-lang/rust;

· by mark-i-m was closed on Nov 15, 2020

 ·  

1.50.0

unreachable_patterns false negative with or_patterns

A-exhaustiveness-checkingRelating to exhaustiveness / usefulness checking of patternsRelating to exhaustiveness / usefulness checking of patterns

C-bugCategory: This is a bug.Category: This is a bug.

F-or_patterns`#![feature(or_patterns)]``#![feature(or_patterns)]`

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Closed (completed).

#76836 In rust-lang/rust;

· by tmiasko was closed on Nov 6, 2020

[mir] or-patterns duplicate the same branch

A-MIRArea: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.htmlArea: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.html

A-mir-optArea: MIR optimizationsArea: MIR optimizations

A-patternsRelating to patterns and pattern matchingRelating to patterns and pattern matching

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

C-optimizationCategory: An issue highlighting optimization opportunities or PRs implementing suchCategory: An issue highlighting optimization opportunities or PRs implementing such

E-needs-testCall for participation: An issue has been fixed and does not reproduce, but no test has been added.Call for participation: An issue has been fixed and does not reproduce, but no test has been added.

F-or_patterns`#![feature(or_patterns)]``#![feature(or_patterns)]`

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Closed (completed).

#75439 In rust-lang/rust;

· by tesuji was closed on Oct 7, 2024

"or-patterns should have already been handled" when using feature(or_patterns)

A-patternsRelating to patterns and pattern matchingRelating to patterns and pattern matching

C-bugCategory: This is a bug.Category: This is a bug.

F-or_patterns`#![feature(or_patterns)]``#![feature(or_patterns)]`

glacierICE tracked in rust-lang/glacier.ICE tracked in rust-lang/glacier.

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

requires-nightlyThis issue requires a nightly compiler in some way.This issue requires a nightly compiler in some way.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Closed (completed).

#72680 In rust-lang/rust;

· by Zenithsiz was closed on Nov 15, 2020

or_patterns: incorrect unreachable pattern warning

A-exhaustiveness-checkingRelating to exhaustiveness / usefulness checking of patternsRelating to exhaustiveness / usefulness checking of patterns

C-bugCategory: This is a bug.Category: This is a bug.

F-or_patterns`#![feature(or_patterns)]``#![feature(or_patterns)]`

requires-nightlyThis issue requires a nightly compiler in some way.This issue requires a nightly compiler in some way.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Closed (completed).

#71977 In rust-lang/rust;

· by lcnr was closed on Jul 6, 2020

Fix incorrect pattern warning "unreachable pattern"

F-or_patterns`#![feature(or_patterns)]``#![feature(or_patterns)]`

S-waiting-on-borsStatus: Waiting on bors to run and complete tests. Bors will change the label on completion.Status: Waiting on bors to run and complete tests. Bors will change the label on completion.

Status: Merged (completed).

rust-lang/rustnumber 70413

#70413 In rust-lang/rust;

· by AminArria was closed on Mar 27, 2020

Incorrect "unreachable pattern" warning.

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-bugCategory: This is a bug.Category: This is a bug.

E-easyCall for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.Call for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.

E-mentorCall for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.

F-or_patterns`#![feature(or_patterns)]``#![feature(or_patterns)]`

P-mediumMedium priorityMedium priority

regression-from-stable-to-stablePerformance or correctness regression from one stable version to another.Performance or correctness regression from one stable version to another.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Closed (completed).

#70372 In rust-lang/rust;

· by steffahn was closed on Mar 27, 2020

Exhaustiveness checking, <code>Matrix::push</code>: recursively expand or-patterns

F-or_patterns`#![feature(or_patterns)]``#![feature(or_patterns)]`

S-waiting-on-borsStatus: Waiting on bors to run and complete tests. Bors will change the label on completion.Status: Waiting on bors to run and complete tests. Bors will change the label on completion.

Status: Merged (completed).

rust-lang/rustnumber 69891

#69891 In rust-lang/rust;

· by Centril was closed on Mar 11, 2020