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mention --edition restrictions in rustc-dev-guide

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Pietro Albini 2025-04-10 12:34:57 +02:00
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6
src/doc/rustc-dev-guide/src/tests/directives.md
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@ -230,9 +230,9 @@ ignoring debuggers.
### Affecting how tests are built
| Directive | Explanation | Supported test suites | Possible values |
|---------------------|----------------------------------------------------------------------------------------------|---------------------------|------------------------------------------------------------------------------|
| `compile-flags` | Flags passed to `rustc` when building the test or aux file | All except for `run-make` | Any valid `rustc` flags, e.g. `-Awarnings -Dfoo`. Cannot be `-Cincremental`. |
| `edition` | Alias for `compile-flags: --edition=xxx` | All except for `run-make` | Any valid `--edition` value |
|---------------------|----------------------------------------------------------------------------------------------|---------------------------|--------------------------------------------------------------------------------------------|
| `compile-flags` | Flags passed to `rustc` when building the test or aux file | All except for `run-make` | Any valid `rustc` flags, e.g. `-Awarnings -Dfoo`. Cannot be `-Cincremental` or `--edition` |
| `edition` | The edition used to build the test | All except for `run-make` | Any valid `--edition` value |
| `rustc-env` | Env var to set when running `rustc` | All except for `run-make` | `<KEY>=<VALUE>` |
| `unset-rustc-env` | Env var to unset when running `rustc` | All except for `run-make` | Any env var name |
| `incremental` | Proper incremental support for tests outside of incremental test suite | `ui`, `crashes` | N/A |