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@maurer maurer commented Jan 20, 2026

LLVM 23 will mark the stack as aligned for more efficient code:

llvm/llvm-project#176041

r? durin42

@rustbot label llvm-main

@rustbot rustbot added A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. 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. llvm-main Marks PRs that are making Rust work with LLVM main (this label is consumed by CI tooling) labels Jan 20, 2026
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LLVM 23 will mark the stack as aligned for more efficient code:

llvm/llvm-project#176041
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rustbot commented Jan 20, 2026

This PR was rebased onto a different main commit. Here's a range-diff highlighting what actually changed.

Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers.

@workingjubilee workingjubilee added the O-SystemZ Target: SystemZ processors (s390x) label Jan 20, 2026
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durin42 commented Jan 20, 2026

@bors r+ rollup=always

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rust-bors bot commented Jan 20, 2026

📌 Commit 39296ff has been approved by durin42

It is now in the queue for this repository.

@rust-bors rust-bors bot 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 Jan 20, 2026
rust-bors bot pushed a commit that referenced this pull request Jan 21, 2026
Rollup of 6 pull requests

Successful merges:

 - #150436 (`c_variadic`: impl `va_copy` and `va_end` as Rust intrinsics)
 - #151340 (Port `#[patchable_function_entry]` to attr parser)
 - #151351 (Deduplicate diagnostics for const trait supertraits)
 - #151424 (missing colon after the compile-flags directive)
 - #151428 (Port variance attrs to attr parser.)
 - #151429 (s390x: Support aligned stack datalayout)

Failed merges:

 - #151343 (Port some crate level attrs to the attribute parser)

r? @ghost
@rust-bors rust-bors bot merged commit db9ff0d into rust-lang:main Jan 21, 2026
11 checks passed
rust-timer added a commit that referenced this pull request Jan 21, 2026
Rollup merge of #151429 - s390x, r=durin42

s390x: Support aligned stack datalayout

LLVM 23 will mark the stack as aligned for more efficient code:

llvm/llvm-project#176041

r? durin42

@rustbot label llvm-main
@rustbot rustbot added this to the 1.95.0 milestone Jan 21, 2026
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A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. llvm-main Marks PRs that are making Rust work with LLVM main (this label is consumed by CI tooling) O-SystemZ Target: SystemZ processors (s390x) S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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4 participants