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| author | Tyler Mandry <tmandry@gmail.com> | 2019-11-27 15:28:33 -0600 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-11-27 15:28:33 -0600 |
| commit | 2f1a4b3748d4632b0519097ee993136c3d5dc6ed (patch) | |
| tree | 2a2a0b65fe7e719116e18db8fb5f204f6c804928 /src/test/debuginfo/enum-thinlto.rs | |
| parent | b92b7052b711c2097565816797347e1652be08fa (diff) | |
| parent | b3666b64738980579f05eec0cfae43f917f74a29 (diff) | |
| download | rust-2f1a4b3748d4632b0519097ee993136c3d5dc6ed.tar.gz rust-2f1a4b3748d4632b0519097ee993136c3d5dc6ed.zip | |
Rollup merge of #66305 - elichai:2019-11-array_ffi, r=eddyb
Add by-value arrays to `improper_ctypes` lint Hi, C doesn't have a notion of passing arrays by value, only by reference/pointer. Rust currently will pass it correctly by reference by it looks very misleading, and can confuse the borrow checker to think a move had occurred. Fixes #58905 and fixes #24578. We could also improve the borrow checker here but I think it's kinda a waste of work if we instead just tell the user it's an invalid FFI call. (My first PR to `rustc` so if I missed some test or formatting guideline please tell me :) )
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