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 Rollup of 9 pull requests   A-LLVM  Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.   A-meta  Area: Issues & PRs about the rust-lang/rust repository itself   rollup  A PR which is a rollup   S-waiting-on-bors  Status: Waiting on bors to run and complete tests. Bors will change the label on completion.   T-bootstrap  Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.   T-libs  Relevant to the library team, which will review and decide on the PR/issue.   
     #148337 opened Oct 31, 2025  by matthiaskrgr    Loading…    
  Update cargo submodule   S-waiting-on-bors  Status: Waiting on bors to run and complete tests. Bors will change the label on completion.   
     #148336 opened Oct 31, 2025  by weihanglo    Loading…    
  Remove support for prefix yield   PG-exploit-mitigations  Project group: Exploit mitigations   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.   T-libs  Relevant to the library team, which will review and decide on the PR/issue.   T-rustfmt  Relevant to the rustfmt team, which will review and decide on the PR/issue.   WG-trait-system-refactor  The Rustc Trait System Refactor Initiative (-Znext-solver)    
    no wf obligations in generalize   perf-regression  Performance regression.   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.    
    rustdoc: make mergeable crate info more usable   A-run-make  Area: port run-make Makefiles to rmake.rs   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.   T-rustdoc  Relevant to the rustdoc team, which will review and decide on the PR/issue.   T-rustdoc-frontend  Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.    
  Start documenting autodiff activities   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-libs  Relevant to the library team, which will review and decide on the PR/issue.    
    Replace OffsetOf by an actual sum of calls to intrinsic.   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-clippy  Relevant to the Clippy team.   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.   T-libs  Relevant to the library team, which will review and decide on the PR/issue.    
    Update substring match for substitutions   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.   
     #148061 opened Oct 24, 2025  by faculerena    •  Draft    
  rustc_codegen_llvm: Add debug locations to Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.    
   write_operand_repeatedly()   A-LLVM   [PERF] see if my fork of Area: The tidy tool   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-bootstrap  Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)   T-rustdoc  Relevant to the rustdoc team, which will review and decide on the PR/issue.   T-rustdoc-frontend  Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.    
   stringdex affects perf   A-tidy   Check tainted_by_error in LateLint   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.    
    Remove Area: rustc-dev-guide   A-tidy  Area: The tidy tool   perf-regression  Performance regression.   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-bootstrap  Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)   T-clippy  Relevant to the Clippy team.   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.   T-libs  Relevant to the library team, which will review and decide on the PR/issue.    
   box_new intrinsic   A-rustc-dev-guide   Omit suggestions when spans are invalid   A-compiletest  Area: The compiletest test runner   A-testsuite  Area: The testsuite used to check the correctness of rustc   S-waiting-on-review  Status: Awaiting review from the assignee but also interested parties.   T-bootstrap  Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.   
     #147849 opened Oct 18, 2025  by jdonszelmann    Loading…    
  Store Status: This is awaiting some action (such as code changes or more information) from the author.   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.   
   chunk_domain_size explicitly in Chunk.   S-waiting-on-author    #147802 opened Oct 17, 2025  by nnethercote    •  Draft    
  compiletest: Use Area: The compiletest test runner   A-testsuite  Area: The testsuite used to check the correctness of rustc   A-tidy  Area: The tidy tool   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-bootstrap  Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.    
   //@ prefixes also for debuginfo test directives   A-compiletest   [WIP] standalone Silences rust-log-analyzer postings to the PR it's added on.   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.    
   proc_macro backend   rla-silenced   Perform DestinationPropagation on places.   perf-regression  Performance regression.   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.    
    coercions reviews/misc whatevers   perf-regression  Performance regression.   S-waiting-on-crater  Status: Waiting on a crater run to be completed.   T-clippy  Relevant to the Clippy team.   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.    
    rustdoc: calculate effective visibilities of crates on-demand   perf-regression  Performance regression.   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-rustdoc  Relevant to the rustdoc team, which will review and decide on the PR/issue.   
     #147482 opened Oct 8, 2025  by lolbinarycat    •  Draft    
  rustdoc: instrument call to lib_embargo_visit_item   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-rustdoc  Relevant to the rustdoc team, which will review and decide on the PR/issue.   
     #147452 opened Oct 7, 2025  by lolbinarycat    •  Draft    
  Make inliner cycle detection a fallible process   perf-regression  Performance regression.   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.    
    Avoid Performance regression.   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.    
   LocalCopy instantiation for #[inline] on -Copt-level=0   perf-regression   wip tcmalloc   perf-regression  Performance regression.   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-clippy  Relevant to the Clippy team.   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.   T-rustdoc  Relevant to the rustdoc team, which will review and decide on the PR/issue.   
     #147333 opened Oct 4, 2025  by 0xdeafbeef    Loading…    
  Add sendmsg/recvmsg support to all supported sockets   O-unix  Operating system: Unix-like   O-windows  Operating system: Windows   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-libs  Relevant to the library team, which will review and decide on the PR/issue.   
     #147290 opened Oct 3, 2025  by poscat0x04    •  Draft    
  Enable -disable-i2p-p2i-opt flag   A-LLVM  Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.   perf-regression  Performance regression.   S-waiting-on-author  Status: This is awaiting some action (such as code changes or more information) from the author.   T-compiler  Relevant to the compiler team, which will review and decide on the PR/issue.    
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