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Prereq4 for async drop - needs_async_drop query fixes and some cleanup #129739

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@azhogin azhogin commented Aug 29, 2024

This is subpart 4 PR of #123948, just for review purposes.

is_async_drop query added, small needs_async_drop fixes and previous async drop glue implementation cleanup.
is_async_drop for detection of type implementing AsyncDrop trait itself, needs_async_drop for detection if a complex type have some internals implementing AsyncDrop and requires async drop glue for itself.

Review only last commit, based on previous PR #129737.

@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. T-libs Relevant to the library team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver) labels Aug 29, 2024
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rustbot commented Aug 29, 2024

Some changes occurred to the CTFE / Miri engine

cc @rust-lang/miri

Some changes occurred in compiler/rustc_codegen_cranelift

cc @bjorn3

Some changes occurred to MIR optimizations

cc @rust-lang/wg-mir-opt

This PR changes MIR

cc @oli-obk, @RalfJung, @JakobDegen, @davidtwco, @celinval, @vakaras

This PR changes Stable MIR

cc @oli-obk, @celinval, @ouz-a

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@azhogin azhogin mentioned this pull request Aug 29, 2024
@azhogin azhogin force-pushed the azhogin/async-drop-prereq4-needs-async-drop-fixes-and-cleanup branch from b667246 to ccf830a Compare August 30, 2024 07:33
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@azhogin azhogin force-pushed the azhogin/async-drop-prereq4-needs-async-drop-fixes-and-cleanup branch from ccf830a to b193d6a Compare August 30, 2024 09:01
@azhogin azhogin marked this pull request as draft August 30, 2024 09:09
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bors commented Aug 31, 2024

☔ The latest upstream changes (presumably #129817) made this pull request unmergeable. Please resolve the merge conflicts.

@azhogin azhogin force-pushed the azhogin/async-drop-prereq4-needs-async-drop-fixes-and-cleanup branch 2 times, most recently from e0d8585 to aa7c159 Compare September 7, 2024 14:33
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@azhogin azhogin force-pushed the azhogin/async-drop-prereq4-needs-async-drop-fixes-and-cleanup branch from aa7c159 to 2d5cad6 Compare September 7, 2024 16:19
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bors commented Sep 8, 2024

☔ The latest upstream changes (presumably #129313) made this pull request unmergeable. Please resolve the merge conflicts.

@azhogin azhogin force-pushed the azhogin/async-drop-prereq4-needs-async-drop-fixes-and-cleanup branch from 2d5cad6 to 81c51d9 Compare September 8, 2024 12:03
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bors commented Sep 9, 2024

☔ The latest upstream changes (presumably #130165) made this pull request unmergeable. Please resolve the merge conflicts.

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r? @nikomatsakis is going to look into this

@rustbot rustbot assigned nikomatsakis and unassigned davidtwco Oct 1, 2024
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