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Refactor #82270 as lint instead of an error #83437

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Mar 26, 2021
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@Amanieu Amanieu commented Mar 24, 2021

This PR fixes several issues with #82270 which generated an error when .intel_syntax or .att_syntax was used in inline assembly:

  • It is now a warn-by-default lint instead of an error.
  • The lint only triggers on x86. .intel_syntax and .att_syntax are only valid on x86.
  • The lint no longer provides machine-applicable suggestions for two reasons:
    • These changes should not be made automatically since changes to assembly code can be very subtle.
    • The template string is not always just a string: it can contain macro invocation (concat!), raw strings, escape characters, etc.

cc @asquared31415

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r? @petrochenkov

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@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Mar 24, 2021
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@Amanieu Amanieu added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Mar 25, 2021
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r=me with commits squashed.

@petrochenkov petrochenkov added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Mar 25, 2021
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Amanieu commented Mar 25, 2021

@bors r=petrochenkov

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bors commented Mar 25, 2021

📌 Commit 5dabc80 has been approved by petrochenkov

@bors bors 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-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Mar 25, 2021
Dylan-DPC-zz pushed a commit to Dylan-DPC-zz/rust that referenced this pull request Mar 25, 2021
Refactor rust-lang#82270 as lint instead of an error

This PR fixes several issues with rust-lang#82270 which generated an error when `.intel_syntax` or `.att_syntax` was used in inline assembly:
- It is now a warn-by-default lint instead of an error.
- The lint only triggers on x86. `.intel_syntax` and `.att_syntax` are only valid on x86.
- The lint no longer provides machine-applicable suggestions for two reasons:
	- These changes should not be made automatically since changes to assembly code can be very subtle.
	- The template string is not always just a string: it can contain macro invocation (`concat!`), raw strings, escape characters, etc.

cc `@asquared31415`
bors added a commit to rust-lang-ci/rust that referenced this pull request Mar 26, 2021
Rollup of 8 pull requests

Successful merges:

 - rust-lang#83055 ([rustdoc] Don't document stripped items in JSON renderer.)
 - rust-lang#83437 (Refactor rust-lang#82270 as lint instead of an error)
 - rust-lang#83444 (Fix bootstrap tests on beta)
 - rust-lang#83456 (Add docs for Vec::from functions)
 - rust-lang#83463 (ExitStatusExt: Fix missing word in two docs messages)
 - rust-lang#83470 (Fix patch note about rust-lang#80653 not mentioning nested nor recursive)
 - rust-lang#83485 (Mark asm tests as requiring LLVM 10.0.1)
 - rust-lang#83486 (Don't ICE when using `#[global_alloc]` on a non-item statement)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 02b27cd into rust-lang:master Mar 26, 2021
@rustbot rustbot added this to the 1.53.0 milestone Mar 26, 2021
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6 participants