[DO NOT MERGE] bootstrap with -Znext-solver=globally
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[DO NOT MERGE] bootstrap with `-Znext-solver=globally` A revival of rust-lang#124812. Current status, we're failing in: - failing in `rustc_next_trait_solver` with 126 instances of the following error ``` error[E0311]: the parameter type `I` may not live long enough | help: consider adding an explicit lifetime bound --> compiler/rustc_next_trait_solver/src/solve/trait_goals.rs:624:53 | 624 ~ fn consider_structural_builtin_unsize_candidates<'a>( 625 ~ ecx: &mut EvalCtxt<'a, D>, 626 | goal: Goal<I, Self>, 627 ~ ) -> Vec<Candidate<I>> where I: 'a { ``` - `itertools` hangs, we're already encountered this hang in our previous attempt due to large type sizes. I believe that it's simply caused by a missing cache somewhere, potentially in `wf.rs`, but other visitors may also be responsible. See rust-itertools/itertools#945 for more details ### commits - rust-lang#133501 - rust-lang#133493 - 9456bfe and b21b116 reimplement candidate preference based on rust-lang#132325, not yet a separate PR - c3ef9cd is a rebased version of rust-lang#125334, unsure whether I actually want to land this PR for now r? `@ghost`
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⌛ Trying commit f631ca8 with merge ca0438119918df5763070574c4496f8d5a943af3... |
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I also pushed:
I think this is sufficient to make the compiler build, or at least |
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The job Click to see the possible cause of the failure (guessed by this bot) |
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💔 Test failed - checks-actions |
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☔ The latest upstream changes (presumably #133527) made this pull request unmergeable. Please resolve the merge conflicts. |
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Next failure is on
pub fn repro() -> impl FnMut() {
if true {
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A revival of #124812.
Current status:
./x.py b --stage 2passes 🎉commits
find_best_leaf_obligation#133493!in HIR typeck #133518xform_ret_tyfor WF in the new solver to improve method winnowing #133519DeepRejectCtxt#133524r? @ghost