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Warn when #[export_name] is used with generic functions #140742

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bjorn3 opened this issue May 7, 2025 · 1 comment · May be fixed by #140851
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Warn when #[export_name] is used with generic functions #140742

bjorn3 opened this issue May 7, 2025 · 1 comment · May be fixed by #140851
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A-linkage Area: linking into static, shared libraries and binaries C-enhancement Category: An issue proposing an enhancement or a PR with one. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@bjorn3
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bjorn3 commented May 7, 2025 •
edited by rustbot
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We already warn when using #[no_mangle] with generic functions as it is bound to lead to symbol conflicts.

cc https://rust-lang.zulipchat.com/#narrow/channel/122651-general/topic/Generic.20functions.20with.20.23.5Bunsafe.28export_name.20.3D.20.22.2E.2E.2E.22.29.5D/near/516534422
@bjorn3 bjorn3 added A-linkage Area: linking into static, shared libraries and binaries C-enhancement Category: An issue proposing an enhancement or a PR with one. labels May 7, 2025
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label May 7, 2025
@jieyouxu jieyouxu added T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. and removed needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. labels May 7, 2025
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mu001999 commented May 9, 2025

@rustbot claim

@mu001999 mu001999 linked a pull request May 9, 2025 that will close this issue
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A-linkage Area: linking into static, shared libraries and binaries C-enhancement Category: An issue proposing an enhancement or a PR with one. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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Warn when #[export_name] is used with generic functions mu001999-contrib/rust
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