15 lines
605 B
Rust
15 lines
605 B
Rust
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//@ run-pass
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//@ compile-flags: -C debug-assertions
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fn main() {
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let _val = unsafe {
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std::mem::transmute::<*const usize, Option<unsafe extern "C" fn()>>(std::ptr::null())
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};
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let _val = unsafe {
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std::mem::transmute::<*const usize, Option<unsafe extern "C" fn()>>(usize::MAX as *const _)
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};
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let _val = unsafe { std::mem::transmute::<usize, Option<unsafe extern "C" fn()>>(0) };
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let _val = unsafe { std::mem::transmute::<usize, Option<unsafe extern "C" fn()>>(1) };
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let _val = unsafe { std::mem::transmute::<usize, Option<unsafe extern "C" fn()>>(usize::MAX) };
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}
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