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Auto merge of #95819 - oli-obk:mir_can't_hold_all_these_lifetimes, r=estebank

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Enforce Copy bounds for repeat elements while considering lifetimes

fixes https://github.com/rust-lang/rust/issues/95477

this is a breaking change in order to fix a soundness bug.

Before this PR we only checked whether the repeat element type had an `impl Copy`, but not whether that impl also had the appropriate lifetimes. E.g. if the impl was for `YourType<'static>` and not a general `'a`, then copying any type other than a `'static` one should have been rejected, but wasn't.

r? `@lcnr`
This commit is contained in:
bors 2022-04-29 20:00:47 +00:00
commit a707f40107
24 changed files with 183 additions and 96 deletions
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2
src/tools/tidy/src/ui_tests.rs
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@ -7,7 +7,7 @@ use std::path::Path;
const ENTRY_LIMIT: usize = 1000;
// FIXME: The following limits should be reduced eventually.
const ROOT_ENTRY_LIMIT: usize = 980;
const ROOT_ENTRY_LIMIT: usize = 977;
const ISSUES_ENTRY_LIMIT: usize = 2278;
fn check_entries(path: &Path, bad: &mut bool) {