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Only apply last use move optimizations to types that actually benefit from them #2041

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Only apply last use move optimizations to types that actually benefit from them#2041
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A-codegenArea: Code generationC-cleanupCategory: PRs that clean code up or issues documenting cleanup.E-easyCall for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.

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@marijnh
marijnh
opened on Mar 21, 2012

For types that have no cleanup, they may actually add overhead (allocating a temporary) instead of help.

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  1. ghost assigned
    marijnh
    on Mar 21, 2012

  2. marijnh commented on Apr 3, 2012

    @marijnh
    marijnh
    on Apr 3, 2012
    ContributorAuthor

    This was misdiagnosed. I was actually already making sure no useless allocing/zeroing happens.

  3. marijnh
    closed this as completedon Apr 3, 2012
  4. marijnh
    removed their assignment
    on Jun 16, 2014
  5. celinval
    added a commit that references this issue on Jun 4, 2024

    Bump dependencies (rust-lang#2041)

    0d5814a
  6. Kobzol
    added a commit that references this issue on Dec 30, 2024

    improve query system documentation (rust-lang#2041)

    a35abb3
  7. bors
    added a commit that references this issue on Jan 2, 2025

    improve query system documentation (rust-lang#2041)

    2c72dcf
  8. davidtwco
    added a commit that references this issue on Apr 16, 2026

    Merge pull request rust-lang#2041 from ArunTamil21/add-alias-tests

    1eafc19
  9. U007D
    added a commit that references this issue on Aug 21, 2026

    Merge rust-lang#2041

    f9d060b
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    A-codegenArea: Code generationC-cleanupCategory: PRs that clean code up or issues documenting cleanup.E-easyCall for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.

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