Audit & Harden run-pass tests for #![feature(bindings_after_at)] #67523
Description
The feature bindings_after_at which allows for x @ Some(y) patterns, is implemented in #66296. The PR doesn't have as good coverage of the dynamic semantics as we might like. Once the PR lands, we should try to improve things before we stabilize the feature.
Notable tests to include:
cc @pnkfelix @matthewjasper #65490
This issue has been assigned to @thekuom via this comment.
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Area: The testsuite used to check the correctness of rustcCategory: An issue proposing an enhancement or a PR with one.Call for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.Call for participation: Help is requested to fix this issue.Call for participation: Medium difficulty. Experience needed to fix: Intermediate.Call for participation: An issue has been fixed and does not reproduce, but no test has been added.`#![feature(bindings_after_at)]`Relevant to the compiler team, which will review and decide on the PR/issue.This issue requires a nightly compiler in some way.