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build-fail directive: make explanation more uniform #2483

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Jul 1, 2025
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build-fail directive: make explanation more uniform #2483

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6 changes: 3 additions & 3 deletions src/tests/ui.md
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Original file line number Diff line number Diff line change
Expand Up @@ -453,9 +453,9 @@ even run the resulting program. Just add one of the following
- `//@ check-fail` — compilation should fail (the codegen phase is skipped).
This is the default for UI tests.
- `//@ build-fail` — compilation should fail during the codegen phase.
This will run `rustc` twice, once to verify that it compiles successfully
without the codegen phase, then a second time the full compile should
fail.
This will run `rustc` twice:
- First time is to ensure that the compile succeeds without the codegen phase
- Second time is to ensure that the full compile fails
- `//@ run-fail` — compilation should succeed, but running the resulting
binary should fail.

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