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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/lint/clashing-extern-fn-recursion.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/lint/clashing-extern-fn-recursion.rs')
-rw-r--r-- | src/test/ui/lint/clashing-extern-fn-recursion.rs | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/test/ui/lint/clashing-extern-fn-recursion.rs b/src/test/ui/lint/clashing-extern-fn-recursion.rs new file mode 100644 index 000000000..ab0fd0a2e --- /dev/null +++ b/src/test/ui/lint/clashing-extern-fn-recursion.rs @@ -0,0 +1,119 @@ +// check-pass +// +// This tests checks that clashing_extern_declarations handles types that are recursive through a +// pointer or ref argument. See #75512. + +#![crate_type = "lib"] + +mod raw_ptr_recursion { + mod a { + #[repr(C)] + struct Pointy { + pointy: *const Pointy, + } + + extern "C" { + fn run_pointy(pointy: Pointy); + } + } + mod b { + #[repr(C)] + struct Pointy { + pointy: *const Pointy, + } + + extern "C" { + fn run_pointy(pointy: Pointy); + } + } +} + +mod raw_ptr_recursion_once_removed { + mod a { + #[repr(C)] + struct Pointy1 { + pointy_two: *const Pointy2, + } + + #[repr(C)] + struct Pointy2 { + pointy_one: *const Pointy1, + } + + extern "C" { + fn run_pointy2(pointy: Pointy2); + } + } + + mod b { + #[repr(C)] + struct Pointy1 { + pointy_two: *const Pointy2, + } + + #[repr(C)] + struct Pointy2 { + pointy_one: *const Pointy1, + } + + extern "C" { + fn run_pointy2(pointy: Pointy2); + } + } +} + +mod ref_recursion { + mod a { + #[repr(C)] + struct Reffy<'a> { + reffy: &'a Reffy<'a>, + } + + extern "C" { + fn reffy_recursion(reffy: Reffy); + } + } + mod b { + #[repr(C)] + struct Reffy<'a> { + reffy: &'a Reffy<'a>, + } + + extern "C" { + fn reffy_recursion(reffy: Reffy); + } + } +} + +mod ref_recursion_once_removed { + mod a { + #[repr(C)] + struct Reffy1<'a> { + reffy: &'a Reffy2<'a>, + } + + struct Reffy2<'a> { + reffy: &'a Reffy1<'a>, + } + + extern "C" { + #[allow(improper_ctypes)] + fn reffy_once_removed(reffy: Reffy1); + } + } + mod b { + #[repr(C)] + struct Reffy1<'a> { + reffy: &'a Reffy2<'a>, + } + + struct Reffy2<'a> { + reffy: &'a Reffy1<'a>, + } + + extern "C" { + #[allow(improper_ctypes)] + fn reffy_once_removed(reffy: Reffy1); + } + } +} |