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Stabilize alloc_layout_extra #148769

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Stabilize alloc_layout_extra #148769

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@GrigorenkoPV GrigorenkoPV commented Nov 9, 2025 •
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Tracking issue: #55724
FCP completed in #55724 (comment)
Closes #55724

As per #55724 (comment),

  • repeat_packed and extend_packed are unchanged
  • repeat now excludes trailing padding on the last element from the total array size
  • dangling renamed to dangling_ptr
  • padding_needed_for not stabilized, changed to accept Alignment instead of usize and moved to the ptr_aligment_type feature flag (tracking issue: Tracking Issue for ptr::Alignment type #102070)

@rustbot rustbot added 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. labels Nov 9, 2025
@GrigorenkoPV GrigorenkoPV mentioned this pull request Nov 9, 2025
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@GrigorenkoPV GrigorenkoPV force-pushed the stabilize/alloc_layout_extra branch from 0485f7c to a24fd1a Compare November 9, 2025 21:29
@GrigorenkoPV GrigorenkoPV marked this pull request as ready for review November 9, 2025 21:29
@rustbot rustbot added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Nov 9, 2025
@rustbot rustbot removed the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Nov 9, 2025
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r? @scottmcm

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@GrigorenkoPV GrigorenkoPV force-pushed the stabilize/alloc_layout_extra branch from a24fd1a to c271428 Compare November 9, 2025 22:41
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rustbot commented Nov 9, 2025

Some changes occurred in compiler/rustc_codegen_cranelift

cc @bjorn3

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Tracking issue for alloc_layout_extra

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