Prevent unnecessary allocation in PathBuf::set_extension. #65731
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It was allocating a new OsString that was immediately dropped after using it with set_file_name. Now it directly changes the extension in the original buffer, without touching the rest of the file name or allocating a temporary string.
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…ion, r=dtolnay Prevent unnecessary allocation in PathBuf::set_extension. It was allocating a new `OsString` that was immediately dropped after using it with `set_file_name`. Now it directly changes the extension in the original buffer, without touching the rest of the file name or allocating a temporary string.
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…ion, r=dtolnay Prevent unnecessary allocation in PathBuf::set_extension. It was allocating a new `OsString` that was immediately dropped after using it with `set_file_name`. Now it directly changes the extension in the original buffer, without touching the rest of the file name or allocating a temporary string.
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Rollup of 9 pull requests Successful merges: - #64639 (Stabilize `#[non_exhaustive]` (RFC 2008)) - #65074 (Fix the start/end byte positions in the compiler JSON output) - #65315 (Intern place projection) - #65685 (Fix check of `statx` and handle EPERM) - #65731 (Prevent unnecessary allocation in PathBuf::set_extension.) - #65740 (Fix default "disable-shortcuts" feature value) - #65787 (move panictry! to where it is used.) - #65789 (move Attribute::with_desugared_doc to librustdoc) - #65790 (move report_invalid_macro_expansion_item to item.rs) Failed merges: r? @ghost
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It was allocating a new
OsStringthat was immediately dropped after using it withset_file_name. Now it directly changes the extension in the original buffer, without touching the rest of the file name or allocating a temporary string.