Rollup of 7 pull requests - #162664

Merged

rust-bors[bot] merged 15 commits into

rust-lang:mainfrom

JonathanBrouwer:rollup-s1jX04L

Sep 11, 2026

Commits on Aug 20, 2026

Re-export `core::fmt::NumBuffer` in `alloc` (and `std`)
cuviper
committed
dad850c

Commits on Sep 7, 2026

mir-transform: Remove `is_optimization_stage`
jamie-osec
committed
f59ff9d

Commits on Sep 11, 2026

Clarify examples related to `Sync` and `SyncView`

tisonkun
and
pthariensflame
committed
ea39610
Prevent `should-fail` to be used in `rustdoc-ui` testsuite
GuillaumeGomez
committed
c03ff79
Apply suggestion from @tisonkun
tisonkun
authored
f47f54d
Remove needless test running instructions
mati865
committed
26ff14a
Initialize mingw for all mingw targets
ChrisDenton
committed
92eba24
Remove my target docs mention
Noratrieb
authored
29f7a91
Rollup merge of #161413 - clubby789:remove-is-optimization, r=saethlin
JonathanBrouwer
authored
87840b1
Rollup merge of #161430 - cuviper:fmt_numbuffer, r=JohnTitor
JonathanBrouwer
authored
5a64414
Rollup merge of #162446 - GuillaumeGomez:rustdoc-ui-should-fail, r=jieyouxu
JonathanBrouwer
authored
53b596e
Rollup merge of #162621 - tisonkun:patch-2, r=JohnTitor
JonathanBrouwer
authored
69e0636
Rollup merge of #162650 - ChrisDenton:setup-msys2, r=jieyouxu
JonathanBrouwer
authored
a90ac4b
Rollup merge of #162651 - mati865:cleanup-test-instructions, r=jieyouxu
JonathanBrouwer
authored
372e049
Rollup merge of #162658 - Noratrieb:Noratrieb-patch-4, r=Noratrieb
JonathanBrouwer
authored
220a269