Rollup of 6 pull requests#154160

Merged

rust-bors[bot] merged 18 commits into

rust-lang:mainfrom

JonathanBrouwer:rollup-4jbkEbt

Mar 21, 2026

Commits on Mar 15, 2026

Allow passing `expr` metavariable as a `cfg` predicate
Jules-Bertholet
committed

Commits on Mar 20, 2026

Start migrating `DecorateDiagCompat::Builtin` items to `DecorateDiagCompat::Dynamic`
GuillaumeGomez
committed
Create new `ParseSess::dyn_buffer_lint` method
GuillaumeGomez
committed
Remove `BuiltinDiag` usage in `rustc_parse`
GuillaumeGomez
committed
Make `:` -> `=` typo suggestion verbose
estebank
committed
Emit fewer errors for incorrect rtn and `=` -> `:` typos in bindings
estebank
committed
Suggest appropriate spaces around `=` in `let` binding parse error
estebank
committed
tests/ui/async-await/drop-option-future.rs: New regression test
Enselic
committed
Move issue-52049 to tests/ui/borrowck
aryannrd
committed
Added the issue link and a test description for non-promotable-static-ref.rs
aryannrd
committed
Don't suggest non-deriveable traits for unions.
malezjaa
committed
Address review comments
Jules-Bertholet
committed
Rollup merge of #154154 - estebank:issue-134087, r=mati865
JonathanBrouwer
authored
Rollup merge of #154155 - Enselic:async-test, r=mati865
JonathanBrouwer
authored
Rollup merge of #146961 - Jules-Bertholet:expr-cfg, r=JonathanBrouwer
JonathanBrouwer
authored
Rollup merge of #154118 - malezjaa:dont-suggest-some-traits-for-unions, r=JonathanBrouwer
JonathanBrouwer
authored
Rollup merge of #154120 - GuillaumeGomez:migrate-diag, r=JonathanBrouwer
JonathanBrouwer
authored
Rollup merge of #154156 - aryannrd:move-issue-52049-to-borrowck, r=Kivooeo
JonathanBrouwer
authored