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Encode coroutine_by_move_body_def_id in crate metadata #130201

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merged 3 commits into from
Sep 17, 2024

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@compiler-errors compiler-errors commented Sep 10, 2024

We synthesize the MIR for a by-move body for the FnOnce implementation of async closures. It can be accessed with the coroutine_by_move_body_def_id query. We weren't encoding this query in the metadata though, nor were we properly recording that synthetic MIR in mir_keys, so the optimized_mir wasn't getting encoded either!

Stacked on top is a fix to consider DefKind::SyntheticCoroutineBody to return true in several places I missed. Specifically, we should consider the def-kind in fn DefKind::is_fn_like(), since that's what we were using to make sure we ensure query mir_inliner_callees before the MIR gets stolen for the body. This led to some CI failures that were caught by miri but which I added a test for.

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@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Sep 10, 2024
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rustbot commented Sep 10, 2024

Some changes occurred to MIR optimizations

cc @rust-lang/wg-mir-opt

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hahah this is blocked on #130199, that's where the ci test failure comes from.

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bors commented Sep 10, 2024

☔ The latest upstream changes (presumably #130200) made this pull request unmergeable. Please resolve the merge conflicts.

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lcnr commented Sep 17, 2024

@bors r+

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bors commented Sep 17, 2024

📌 Commit 4beb1cf has been approved by lcnr

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Sep 17, 2024
fee1-dead added a commit to fee1-dead-contrib/rust that referenced this pull request Sep 17, 2024
…body, r=lcnr

Encode `coroutine_by_move_body_def_id` in crate metadata

We synthesize the MIR for a by-move body for the `FnOnce` implementation of async closures. It can be accessed with the `coroutine_by_move_body_def_id` query. We weren't encoding this query in the metadata though, nor were we properly recording that synthetic MIR in `mir_keys`, so the `optimized_mir` wasn't getting encoded either!

Stacked on top is a fix to consider `DefKind::SyntheticCoroutineBody` to return true in several places I missed. Specifically, we should consider the def-kind in `fn DefKind::is_fn_like()`, since that's what we were using to make sure we ensure `query mir_inliner_callees` before the MIR gets stolen for the body. This led to some CI failures that were caught by miri but which I added a test for.
bors added a commit to rust-lang-ci/rust that referenced this pull request Sep 17, 2024
…fee1-dead

Rollup of 8 pull requests

Successful merges:

 - rust-lang#128961 (Fix rust-lang#128930: Print documentation of CLI options missing their arg)
 - rust-lang#129073 (Relate receiver invariantly in method probe for `Mode::Path`)
 - rust-lang#129674 (Add new_cyclic_in for Rc and Arc)
 - rust-lang#130201 (Encode `coroutine_by_move_body_def_id` in crate metadata)
 - rust-lang#130275 (Don't call `extern_crate` when local crate name is the same as a dependency and we have a trait error)
 - rust-lang#130440 (Don't ICE in `opaque_hidden_inferred_bound` lint for RPITIT in trait with no default method body)
 - rust-lang#130454 (tests: allow trunc/select instructions to be missing)
 - rust-lang#130458 (`rustc_codegen_ssa` cleanups)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit to rust-lang-ci/rust that referenced this pull request Sep 17, 2024
…iaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang#128535 (Format `std::env::consts` docstrings with markdown backticks)
 - rust-lang#128961 (Fix rust-lang#128930: Print documentation of CLI options missing their arg)
 - rust-lang#129988 (Use `Vec` in `rustc_interface::Config::locale_resources`)
 - rust-lang#130201 (Encode `coroutine_by_move_body_def_id` in crate metadata)
 - rust-lang#130275 (Don't call `extern_crate` when local crate name is the same as a dependency and we have a trait error)
 - rust-lang#130314 (Use the same precedence for all macro-like exprs)
 - rust-lang#130440 (Don't ICE in `opaque_hidden_inferred_bound` lint for RPITIT in trait with no default method body)
 - rust-lang#130458 (`rustc_codegen_ssa` cleanups)
 - rust-lang#130469 (Mark `where_clauses_object_safety` as removed)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit ddcb9c1 into rust-lang:master Sep 17, 2024
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@rustbot rustbot added this to the 1.83.0 milestone Sep 17, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Sep 17, 2024
Rollup merge of rust-lang#130201 - compiler-errors:foreign-synthetic-body, r=lcnr

Encode `coroutine_by_move_body_def_id` in crate metadata

We synthesize the MIR for a by-move body for the `FnOnce` implementation of async closures. It can be accessed with the `coroutine_by_move_body_def_id` query. We weren't encoding this query in the metadata though, nor were we properly recording that synthetic MIR in `mir_keys`, so the `optimized_mir` wasn't getting encoded either!

Stacked on top is a fix to consider `DefKind::SyntheticCoroutineBody` to return true in several places I missed. Specifically, we should consider the def-kind in `fn DefKind::is_fn_like()`, since that's what we were using to make sure we ensure `query mir_inliner_callees` before the MIR gets stolen for the body. This led to some CI failures that were caught by miri but which I added a test for.
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