bors a1b499134a Auto merge of #123108 - matthiaskrgr:rollup-zossklv, r=matthiaskrgr
Rollup of 9 pull requests

Successful merges:

 - #108675 (Document `adt_const_params` feature in Unstable Book)
 - #122120 (Suggest associated type bounds on problematic associated equality bounds)
 - #122589 (Fix diagnostics for async block cloning)
 - #122835 (Require `DerefMut` and `DerefPure` on `deref!()` patterns when appropriate)
 - #123049 (In `ConstructCoroutineInClosureShim`, pass receiver by mut ref, not mut pointer)
 - #123055 (enable cargo miri test doctests)
 - #123057 (unix fs: Make hurd using explicit new rather than From)
 - #123087 (Change `f16` and `f128` clippy stubs to be nonpanicking)
 - #123103 (Rename `Inherited` -> `TypeckRootCtxt`)

r? `@ghost`
`@rustbot` modify labels: rollup
2024-03-26 22:25:03 +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>.