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Fix ICE #101739 #102613

Merged
merged 3 commits into from
Oct 3, 2022
Merged

Fix ICE #101739 #102613

merged 3 commits into from
Oct 3, 2022

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TaKO8Ki
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@TaKO8Ki TaKO8Ki commented Oct 3, 2022

Fixes #101739

This cannot cover the following case. It causes too many args provided error and obligation does not have references error. I want your advice to solve the following cases as well in this pull request or a follow-up. completed

#![crate_type = "lib"]
#![feature(transmutability)]
#![allow(dead_code, incomplete_features, non_camel_case_types)]

mod assert {
    use std::mem::BikeshedIntrinsicFrom;

    pub fn is_transmutable<
        Src,
        Dst,
        Context,
        const ASSUME_ALIGNMENT: bool,
        const ASSUME_LIFETIMES: bool,
        const ASSUME_VALIDITY: bool,
        const ASSUME_VISIBILITY: bool,
    >()
    where
        Dst: BikeshedIntrinsicFrom<
            Src,
            Context,
            ASSUME_ALIGNMENT,
            ASSUME_LIFETIMES,
            ASSUME_VALIDITY,
            ASSUME_VISIBILITY,
        >,
    {}
}



fn via_const() {
    struct Context;
    #[repr(C)] struct Src;
    #[repr(C)] struct Dst;

    const FALSE: bool = false;

    assert::is_transmutable::<Src, Dst, Context, FALSE, FALSE, FALSE, FALSE>();
}

@rustbot rustbot added the T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. label Oct 3, 2022
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r? @compiler-errors

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@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Oct 3, 2022
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@TaKO8Ki TaKO8Ki changed the title Fix a part of #101739 Fix #101739 Oct 3, 2022
@TaKO8Ki TaKO8Ki changed the title Fix #101739 Fix ICE #101739 Oct 3, 2022
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@bors r+

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bors commented Oct 3, 2022

📌 Commit 0e615ca has been approved by compiler-errors

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 Oct 3, 2022
bors added a commit to rust-lang-ci/rust that referenced this pull request Oct 3, 2022
…iaskrgr

Rollup of 8 pull requests

Successful merges:

 - rust-lang#102439 (rustdoc: re-sugar more cross-crate trait bounds)
 - rust-lang#102569 (Improve `FromStr` example)
 - rust-lang#102597 (Avoid ICE in printing RPITIT type)
 - rust-lang#102607 (Improve documentation of `slice::{from_ptr_range, from_ptr_range_mut}`)
 - rust-lang#102613 (Fix ICE rust-lang#101739)
 - rust-lang#102615 (Cleanup some error code explanations)
 - rust-lang#102617 (`HirId` for `deferred_transmute_checks`)
 - rust-lang#102620 (Migrate `.stab` elements style to CSS variables)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit aa076d6 into rust-lang:master Oct 3, 2022
@rustbot rustbot added this to the 1.66.0 milestone Oct 3, 2022
@TaKO8Ki TaKO8Ki deleted the fix-part-of-101739 branch October 4, 2022 03:22
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ICE: -Zsave-analysis: The given Const must be an ADT
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