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Add LLVM range attributes to slice length parameters

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

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

perf-regressionPerformance regression.Performance regression.

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 148350

#148350 In rust-lang/rust;

· by scottmcm was closed on Nov 3, 2025

· 

1.93.0

Stop using uadd.with.overflow

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

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

perf-regressionPerformance regression.Performance regression.

perf-regression-triagedThe performance regression has been triaged.The performance regression has been triaged.

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 145144

#145144 In rust-lang/rust;

· by scottmcm was closed on Aug 10, 2025

· 

1.91.0

Remove unneeded <code>drop_in_place</code> calls

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 144883

#144883 In rust-lang/rust;

· by scottmcm was closed on Aug 9, 2025

· 

1.91.0

Add some pre-codegen MIR tests for debug mode

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 144875

#144875 In rust-lang/rust;

· by scottmcm was closed on Aug 4, 2025

· 

1.91.0

Use <code>as_array</code> in PartialEq for arrays

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-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Merged (completed).

rust-lang/rustnumber 144867

#144867 In rust-lang/rust;

· by scottmcm was closed on Aug 5, 2025

· 

1.91.0

[codegen] assume the tag, not the relative discriminant

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 144764

#144764 In rust-lang/rust;

· by scottmcm was closed on Aug 8, 2025

· 

1.91.0

<code>AlignmentEnum</code> should just be <code>repr(usize)</code> now

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.

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.

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

Status: Merged (completed).

rust-lang/rustnumber 144667

#144667 In rust-lang/rust;

· by scottmcm was closed on Aug 4, 2025

· 

1.91.0

Re-block SRoA on SIMD types

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 144665

#144665 In rust-lang/rust;

· by scottmcm was closed on Jul 31, 2025

· 

1.90.0

Need less bumf to pass <code>Layout</code> to <code>__rustc_alloc</code>

perf-regressionPerformance regression.Performance regression.

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.

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

Status: Closed (abandoned).

rust-lang/rustnumber 144572

#144572 In rust-lang/rust;

· by scottmcm was closed on Aug 4, 2025

Simplify <code>align_of_val::&lt;[T]&gt;(…)</code> → <code>align_of::&lt;T&gt;()</code>

A-mir-optArea: MIR optimizationsArea: MIR optimizations

perf-regressionPerformance regression.Performance regression.

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 144566

#144566 In rust-lang/rust;

· by scottmcm was closed on Jul 29, 2025

· 

1.90.0

Allow MIR-inlining <code>Drop</code> terminators too

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.

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.

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

Status: Draft (not ready).

rust-lang/rustnumber 144561

#144561 In rust-lang/rust;

· scottmcm opened on Jul 28, 2025

Allow more MIR SROA

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

perf-regressionPerformance regression.Performance regression.

perf-regression-triagedThe performance regression has been triaged.The performance regression has been triaged.

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 144543

#144543 In rust-lang/rust;

· by scottmcm was closed on Jul 28, 2025

· 

1.90.0