Add the option to run UI tests with the parallel frontend#153801
Merged
rust-bors[bot] merged 2 commits intorust-lang:mainfrom Mar 17, 2026
Merged
Add the option to run UI tests with the parallel frontend#153801rust-bors[bot] merged 2 commits intorust-lang:mainfrom
rust-bors[bot] merged 2 commits intorust-lang:mainfrom
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This PR adds two arguments for tests:
--parallel-frontend-threads: specify-Zthreadto compile test case (currently UI tests only)--iteration-count: the number of times to run each testAlso, due to the non-deterministic diagnostic orders and cycle errors, this PR adds the directive
//@ ignore-parallel-frontendto ignore tests with cycle error when the parallel-frontend is enabled (by--parallel-frontend-threads) and enables//@ compare-output-by-linesby default.Context: #t-compiler/parallel-rustc > Add the parallel front-end test suite @ 💬
This PR should work with #153797 together.