bors 7c547894c7 Auto merge of #125457 - fmease:gacs-diag-infer-plac-missing-ty, r=compiler-errors
Properly deal with missing/placeholder types inside GACs

Fixes #124833.

r? oli-obk (#123130)
2024-05-24 06:45:40 +00:00
..
2024-05-21 20:16:39 +00:00
2024-05-20 19:21:30 -04:00
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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>.