stabilize never type - #155499

Merged

rust-bors[bot] merged 18 commits into

rust-lang:mainfrom

WaffleLapkin:stabilize-never-type

Aug 24, 2026

Commits on Aug 24, 2026

Set never type fallback to always be `!`
WaffleLapkin
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6656056
stabilize the never type (`!`)
WaffleLapkin
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6ed4ce5
fixup clippy::empty_enums
WaffleLapkin
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977c3a7
remove `#![feature(never_type)]` from the compiler
WaffleLapkin
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f34322b
remove `#![feature(never_type)]` from tests
WaffleLapkin
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046ebb7
remove `#![feature(never_type)]` from library
WaffleLapkin
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3de37a2
remove `#![feature(never_type)]` from tools
WaffleLapkin
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00745cc
bless tests
WaffleLapkin
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2b466a3
bless mir-opt tests
WaffleLapkin
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ab2a410
update tests which depended on never fallback to `()`
WaffleLapkin
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9b02a7e
remove `dependency_on_unit_never_type_fallback` lint
WaffleLapkin
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11eebd5
remove stray stderr files
WaffleLapkin
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e9d08de
make `never_type_fallback_flowing_into_unsafe` a non-FCW lint
WaffleLapkin
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39c6cac
Make `Infallible = !`
WaffleLapkin
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cfc82eb
remove unreachable code
WaffleLapkin
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3419a3c
fixup tests to account for `Infallible = !`
WaffleLapkin
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748439c
bless mir-opt tests
WaffleLapkin
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b74b72b
Bump the stdlib semver check stamp
JonathanBrouwer
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0a35c2a