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unsafe blocks do not fire unsafe_code lint #126738

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ehuss opened this issue Jun 20, 2024 · 0 comments · Fixed by #127535
Closed

unsafe blocks do not fire unsafe_code lint #126738

ehuss opened this issue Jun 20, 2024 · 0 comments · Fixed by #127535
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@spastorino
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C-bug Category: This is a bug. F-unsafe_extern_blocks `#![feature(unsafe_extern_blocks)]` T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@ehuss
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ehuss commented Jun 20, 2024 •
edited by traviscross
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RFC 3484 indicated that an unsafe block should fire the unsafe_code lint. However, it does not appear to do that, yet.

#![feature(unsafe_extern_blocks)]
#![warn(unsafe_code)]

unsafe extern "C" {
    pub fn foo();
}

Expected results: Should fire the unsafe_code lint.

Actual results: Lint is not fired.

Meta

rustc 1.81.0-nightly (59e2c01c2 2024-06-17)
binary: rustc
commit-hash: 59e2c01c2217a01546222e4d9ff4e6695ee8a1db
commit-date: 2024-06-17
host: aarch64-apple-darwin
release: 1.81.0-nightly
LLVM version: 18.1.7

cc @spastorino FYI, I didn't see a discussion of further work needing to be done in #124482, so I wanted to make sure it gets tracked.

Tracking:
@ehuss ehuss added the F-unsafe_extern_blocks `#![feature(unsafe_extern_blocks)]` label Jun 20, 2024
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Jun 20, 2024
@traviscross traviscross mentioned this issue Jun 21, 2024
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10 tasks
@traviscross traviscross added C-bug Category: This is a bug. and removed needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. labels Jun 21, 2024
@workingjubilee workingjubilee added the T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. label Jun 22, 2024
@spastorino spastorino self-assigned this Jun 25, 2024
@spastorino spastorino mentioned this issue Jul 9, 2024
Merged
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this issue Jul 12, 2024
@matthiaskrgr
Rollup merge of rust-lang#127535 - spastorino:unsafe_code-unsafe_exte…
58ceb36 
…rn_blocks, r=oli-obk

Fire unsafe_code lint on unsafe extern blocks

Fixes rust-lang#126738
@bors bors closed this as completed in 2e0591b Jul 13, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this issue Jul 13, 2024
@rust-timer
Unrolled build for rust-lang#127535
e8b6860 
Rollup merge of rust-lang#127535 - spastorino:unsafe_code-unsafe_extern_blocks, r=oli-obk

Fire unsafe_code lint on unsafe extern blocks

Fixes rust-lang#126738
@spastorino spastorino mentioned this issue Jul 18, 2024
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C-bug Category: This is a bug. F-unsafe_extern_blocks `#![feature(unsafe_extern_blocks)]` T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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Fire unsafe_code lint on unsafe extern blocks spastorino/rust
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@ehuss @spastorino @traviscross @workingjubilee @rustbot