18 lines
467 B
Rust
18 lines
467 B
Rust
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//@ run-fail
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//@ compile-flags: -Copt-level=3 -Cdebug-assertions=no -Zub-checks=yes
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//@ error-pattern: unsafe precondition(s) violated: ptr::write_volatile requires
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//@ revisions: null misaligned
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use std::ptr;
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fn main() {
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let mut dst = [0u16; 2];
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let mut dst = dst.as_mut_ptr();
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unsafe {
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#[cfg(null)]
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ptr::write_volatile(ptr::null_mut::<u8>(), 1u8);
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#[cfg(misaligned)]
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ptr::write_volatile(dst.byte_add(1), 1u16);
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}
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}
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