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            Rollup of 7 pull requests #138637
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    This clarifies the explanation of why this is not allowed and also what to do instead. Fixes 62071 PS There was suggestion of adding a link to the book. I did not yet do that, but if desired that could be added.
Co-authored-by: Predrag Gruevski <obi1kenobi82@gmail.com>
This commit fixes an internal compiler error (ICE) that occurs when rustdoc attempts to process macros with a remapped filename. The issue arose during macro expansion when the `--remap-path-prefix` option was used. Instead of passing remapped filenames through, which would trigger the "attempted to remap an already remapped filename" panic, we now extract the original local path from remapped filenames before processing them. A test case has been added to verify this behavior. Fixes rust-lang#138520 Signed-off-by: Charalampos Mitrodimas <charmitro@posteo.net>
exit: document interaction with C Cc rust-lang#126600
…rmit, r=tgross35 Implement `read_buf` for Hermit Following hermit-os/kernel#1606, it is now safe to implement `Read::read_buf` for file descriptors on Hermit. cc ``@mkroening``
Clarify "owned data" in E0515.md This clarifies the explanation of why this is not allowed and also what to do instead. Fixes rust-lang#62071 PS There was suggestion of adding a link to the book. I did not yet do that, but if desired that could be added.
…e, r=GuillaumeGomez,Urgau Fix ICE: attempted to remap an already remapped filename This commit fixes an internal compiler error (ICE) that occurs when rustdoc attempts to process macros with a remapped filename. The issue arose during macro expansion when the `--remap-path-prefix` option was used. Instead of passing remapped filenames through, which would trigger the "attempted to remap an already remapped filename" panic, we now extract the original local path from remapped filenames before processing them. A test case has been added to verify this behavior. Fixes rust-lang#138520
…laumeGomez rustdoc-json: Add tests for `#[repr(...)]` Works towards rust-lang#137645 and rust-lang#81359 Based on rust-lang#138018, but with only the test changes. CC ``@obi1kenobi`` r? ``@GuillaumeGomez``
rustc_target: Add target feature constraints for LoongArch Part of rust-lang#116344 r? ```@RalfJung```
…fs, r=lcnr Flatten `if`s in `rustc_codegen_ssa` Best viewed [while ignoring whitespace](https://github.com/rust-lang/rust/pull/138619/files?diff=unified&w=1)
| @bors r+ rollup=never p=5 | 
    
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Rollup of 7 pull requests Successful merges: - rust-lang#136320 (exit: document interaction with C) - rust-lang#138301 (Implement `read_buf` for Hermit) - rust-lang#138508 (Clarify "owned data" in E0515.md) - rust-lang#138556 (Fix ICE: attempted to remap an already remapped filename) - rust-lang#138569 (rustdoc-json: Add tests for `#[repr(...)]`) - rust-lang#138608 (rustc_target: Add target feature constraints for LoongArch) - rust-lang#138619 (Flatten `if`s in `rustc_codegen_ssa`) r? `@ghost` `@rustbot` modify labels: rollup
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| 💔 Test failed - checks-actions | 
  
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      Labels
      
    A-rustdoc-json
  Area: Rustdoc JSON backend 
  
    O-hermit
  Operating System: Hermit 
  
    rollup
  A PR which is a rollup 
  
    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. 
  
    T-libs
  Relevant to the library 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. 
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Successful merges:
read_buffor Hermit #138301 (Implementread_buffor Hermit)#[repr(...)]#138569 (rustdoc-json: Add tests for#[repr(...)])ifs inrustc_codegen_ssa#138619 (Flattenifs inrustc_codegen_ssa)r? @ghost
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