bors 6f3eb1ce3d Auto merge of #122454 - matthiaskrgr:rollup-xbmufdc, r=matthiaskrgr
Rollup of 11 pull requests

Successful merges:

 - #122422 (compiletest: Allow `only-unix` in test headers)
 - #122424 (fix: typos)
 - #122425 (Increase timeout for new bors bot)
 - #122426 (Fix StableMIR `WrappingRange::is_full` computation)
 - #122429 (Add Exploit Mitigations PG to triagebot.toml)
 - #122430 (Generate link to `Local` in `hir::Let` documentation)
 - #122434 (pattern analysis: rename a few types)
 - #122437 (pattern analysis: remove `MaybeInfiniteInt::JustAfterMax`)
 - #122438 (Safe Transmute: Require that source referent is smaller than destination)
 - #122442 (extend docs of -Zprint-mono-items)
 - #122449 (Delay a bug for stranded opaques)

r? `@ghost`
`@rustbot` modify labels: rollup
2024-03-14 04:54:37 +00:00
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UI Tests

This folder contains rustc's UI tests.

Test Directives (Headers)

Typically, a UI test will have some test directives / headers which are special comments that tell compiletest how to build and intepret a test.

As part of an on-going effort to rewrite compiletest (see https://github.com/rust-lang/compiler-team/issues/536), a major change proposal to change legacy compiletest-style headers // <directive> to ui_test-style headers //@ <directive> was accepted (see https://github.com/rust-lang/compiler-team/issues/512.

An example directive is ignore-test. In legacy compiletest style, the header would be written as

// ignore-test

but in ui_test style, the header would be written as

//@ ignore-test

compiletest is changed to accept only //@ directives for UI tests (currently), and will reject and report an error if it encounters any comments // <content> that may be parsed as an legacy compiletest-style test header. To fix this, you should migrate to the ui_test-style header //@ <content>.