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Do not rely on names to find lifetimes. #129388

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Aug 22, 2024
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cjgillot
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For some reason, we were trying to find the lifetime parameter from its name, instead of using the def_id we have.

This PR uses it instead. This changes some ui tests, I think to be more sensible.

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rustbot commented Aug 22, 2024

r? @petrochenkov

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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 Aug 22, 2024
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Do you have any idea of why the spans change?

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Oh -- it's because we're not just returning the first lifetime named '_ for elided lifetimes, but we're actually getting the right def span. OK, makes sense to me.

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r? compiler-errors @bors r+ rollup

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bors commented Aug 22, 2024

📌 Commit ca7c55f 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 Aug 22, 2024
jieyouxu added a commit to jieyouxu/rust that referenced this pull request Aug 22, 2024
…-errors

Do not rely on names to find lifetimes.

For some reason, we were trying to find the lifetime parameter from its name, instead of using the def_id we have.

This PR uses it instead. This changes some ui tests, I think to be more sensible.
bors added a commit to rust-lang-ci/rust that referenced this pull request Aug 22, 2024
…iaskrgr

Rollup of 8 pull requests

Successful merges:

 - rust-lang#128432 (WASI: forbid `unsafe_op_in_unsafe_fn` for `std::{os, sys}`)
 - rust-lang#129373 (Add missing module flags for CFI and KCFI sanitizers)
 - rust-lang#129374 (Use `assert_unsafe_precondition!` in `AsciiChar::digit_unchecked`)
 - rust-lang#129376 (Change `assert_unsafe_precondition` docs to refer to `check_language_ub`)
 - rust-lang#129382 (Add `const_cell_into_inner` to `OnceCell`)
 - rust-lang#129387 (Advise against removing the remaining Python scripts from `tests/run-make`)
 - rust-lang#129388 (Do not rely on names to find lifetimes.)
 - rust-lang#129395 (Pretty-print own args of existential projections (dyn-Trait w/ GAT constraints))

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 8b3ca79 into rust-lang:master Aug 22, 2024
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@rustbot rustbot added this to the 1.82.0 milestone Aug 22, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Aug 22, 2024
Rollup merge of rust-lang#129388 - cjgillot:region-def-id, r=compiler-errors

Do not rely on names to find lifetimes.

For some reason, we were trying to find the lifetime parameter from its name, instead of using the def_id we have.

This PR uses it instead. This changes some ui tests, I think to be more sensible.
@cjgillot cjgillot deleted the region-def-id branch August 23, 2024 00:53
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5 participants