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Instantiate binders in supertrait_vtable_slot #131042

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merged 3 commits into from
Oct 1, 2024

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supertrait_vtable_slot was previously using structural equality when probing for the vtable slot, which led to an ICE since we need a subtype match, not an exact match.

Fixes #131027

r? lcnr

@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 29, 2024
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rustbot commented Sep 30, 2024

Some changes occurred in engine.rs, potentially modifying the public API of ObligationCtxt.

cc @lcnr, @compiler-errors

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lcnr commented Oct 1, 2024

@bors r+ rollup=always

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bors commented Oct 1, 2024

📌 Commit 7c552d5 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 Oct 1, 2024
bors added a commit to rust-lang-ci/rust that referenced this pull request Oct 1, 2024
…llaumeGomez

Rollup of 5 pull requests

Successful merges:

 - rust-lang#130630 (Support clobber_abi and vector/access registers (clobber-only) in s390x inline assembly)
 - rust-lang#131042 (Instantiate binders in `supertrait_vtable_slot`)
 - rust-lang#131079 (Update wasm-component-ld to 0.5.9)
 - rust-lang#131085 (make test_lots_of_insertions test take less long in Miri)
 - rust-lang#131088 (add fixme to remove LLVM_ENABLE_TERMINFO when minimal llvm version is 19)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit bf38cae into rust-lang:master Oct 1, 2024
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@rustbot rustbot added this to the 1.83.0 milestone Oct 1, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Oct 1, 2024
Rollup merge of rust-lang#131042 - compiler-errors:supertrait-vtable, r=lcnr

Instantiate binders in `supertrait_vtable_slot`

`supertrait_vtable_slot` was previously using structural equality when probing for the vtable slot, which led to an ICE since we need a *subtype* match, not an exact match.

Fixes rust-lang#131027

r? lcnr
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ICE: None in traits/vtable.rs
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