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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/consts/mozjs-error.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/consts/mozjs-error.rs')
-rw-r--r-- | src/test/ui/consts/mozjs-error.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/consts/mozjs-error.rs b/src/test/ui/consts/mozjs-error.rs new file mode 100644 index 000000000..7edcadbf2 --- /dev/null +++ b/src/test/ui/consts/mozjs-error.rs @@ -0,0 +1,31 @@ +// run-pass +#![allow(dead_code)] +#![allow(non_upper_case_globals)] + +struct CustomAutoRooterVFTable { + trace: unsafe extern "C" fn(this: *mut i32, trc: *mut u32), +} + +unsafe trait CustomAutoTraceable: Sized { + const vftable: CustomAutoRooterVFTable = CustomAutoRooterVFTable { + trace: Self::trace, + }; + + unsafe extern "C" fn trace(this: *mut i32, trc: *mut u32) { + let this = this as *const Self; + let this = this.as_ref().unwrap(); + Self::do_trace(this, trc); + } + + fn do_trace(&self, trc: *mut u32); +} + +unsafe impl CustomAutoTraceable for () { + fn do_trace(&self, _: *mut u32) { + // nop + } +} + +fn main() { + let _ = <()>::vftable; +} |