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| author | The rustc-dev-guide Cronjob Bot <github-actions@github.com> | 2025-06-26 04:07:46 +0000 |
|---|---|---|
| committer | The rustc-dev-guide Cronjob Bot <github-actions@github.com> | 2025-06-26 04:07:46 +0000 |
| commit | fdf44db88020c7dad46647aaa81ec05a295e96f2 (patch) | |
| tree | ab8fc713b93940db4b05f29280f5af4ebd8a73e2 /src/doc/rustc-dev-guide | |
| parent | 10c95375569c7ca90ddc5e0741fbed4498e02167 (diff) | |
| parent | 6b824e8143c1dcacdbac3f14f01e2bbb85da8907 (diff) | |
| download | rust-fdf44db88020c7dad46647aaa81ec05a295e96f2.tar.gz rust-fdf44db88020c7dad46647aaa81ec05a295e96f2.zip | |
Merge from rustc
Diffstat (limited to 'src/doc/rustc-dev-guide')
| -rw-r--r-- | src/doc/rustc-dev-guide/src/autodiff/flags.md | 1 | ||||
| -rw-r--r-- | src/doc/rustc-dev-guide/src/tests/ui.md | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/doc/rustc-dev-guide/src/autodiff/flags.md b/src/doc/rustc-dev-guide/src/autodiff/flags.md index 65287d9ba4c..efbb9ea3497 100644 --- a/src/doc/rustc-dev-guide/src/autodiff/flags.md +++ b/src/doc/rustc-dev-guide/src/autodiff/flags.md @@ -6,6 +6,7 @@ To support you while debugging or profiling, we have added support for an experi ```text PrintTA // Print TypeAnalysis information +PrintTAFn // Print TypeAnalysis information for a specific function PrintAA // Print ActivityAnalysis information Print // Print differentiated functions while they are being generated and optimized PrintPerf // Print AD related Performance warnings diff --git a/src/doc/rustc-dev-guide/src/tests/ui.md b/src/doc/rustc-dev-guide/src/tests/ui.md index 9e4a11044e8..09dc476d68e 100644 --- a/src/doc/rustc-dev-guide/src/tests/ui.md +++ b/src/doc/rustc-dev-guide/src/tests/ui.md @@ -13,6 +13,11 @@ used for many other purposes. For example, tests can also be configured to [run the resulting program](#controlling-passfail-expectations) to verify its behavior. +For a survey of each subdirectory's purpose under `tests/ui`, consult the +[SUMMARY.md](https://github.com/rust-lang/rust/tree/master/tests/ui/SUMMARY.md). +This is useful if you write a new test, and are looking for a category to +place it in. + If you need to work with `#![no_std]` cross-compiling tests, consult the [`minicore` test auxiliary](./minicore.md) chapter. @@ -54,6 +59,11 @@ The output is normalized to ignore unwanted differences, see the [Normalization](#normalization) section. If the file is missing, then compiletest expects the corresponding output to be empty. +A common reason to use normalization, revisions, and most of the other following tools, +is to account for platform differences. Consider alternatives to these tools, like +e.g. using the `extern "rust-invalid"` ABI that is invalid on every platform +instead of fixing the test to use cross-compilation and testing every possibly-invalid ABI. + There can be multiple stdout/stderr files. The general form is: ```text |