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| author | Matthias Krüger <476013+matthiaskrgr@users.noreply.github.com> | 2025-03-10 15:57:15 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-03-10 15:57:15 +0100 |
| commit | d1a875cd37ea27346e43d3091dabd84258113150 (patch) | |
| tree | 4e246d1ce367dafb04df5a074fc63cceddea927a /compiler/rustc_codegen_llvm/src/lib.rs | |
| parent | 0d6311931b3aa04460aa2c73aaf012242e5715e6 (diff) | |
| parent | 295c70ef03d442c608d0dda0c14c06598c034411 (diff) | |
| download | rust-d1a875cd37ea27346e43d3091dabd84258113150.tar.gz rust-d1a875cd37ea27346e43d3091dabd84258113150.zip | |
Rollup merge of #138281 - saethlin:mergeable-doctests-stacksize, r=GuillaumeGomez
Fix O(tests) stack usage in edition 2024 mergeable doctests Fixes https://github.com/rust-lang/rust/issues/138248 The important change here is that we are not passing a potentially-large array by value. Between the fact that `TestFn` cannot be `Clone` and `test_main` takes a `Vec<TestDescAndFn>`, the only way to call `test::test_main` without O(tests) stack use is to call `Vec::push` many times. The normal test harness does not have this problem because it calls `test_main_static` or `test_main_static_abort`, which take `&[TestDescAndFn]`. Changing `test::test_main` to take a slice is not a simple change, so I'm avoiding doing it here.
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/lib.rs')
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