Fix up `#[linkage]` target checking - #159617

Merged

rust-bors[bot] merged 6 commits into

rust-lang:mainfrom

mejrs:weak_linkage

Jul 27, 2026

Commits on Jul 25, 2026

Move extern static mut linkage check to check_attr
mejrs
committed
147c13a
update linkage test
mejrs
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e75e08d
reject linkage attr on const fn
mejrs
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8b3a75c
Add fixme
mejrs
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641d79e
disallow linkage on trait methods without body
mejrs
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7ffc037
Adjust linkage error wording
mejrs
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aae9c69