25 lines
714 B
Rust
25 lines
714 B
Rust
// compile-flags: -Zunleash-the-miri-inside-of-you
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#![feature(core_intrinsics, pointer_byte_offsets)]
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// During CTFE, we prevent pointer-to-int casts.
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// Pointer comparisons are prevented in the trait system.
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static PTR_INT_CAST: () = {
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let x = &0 as *const _ as usize;
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//~^ ERROR could not evaluate static initializer
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//~| exposing pointers
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let _v = x == x;
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};
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static PTR_INT_TRANSMUTE: () = unsafe {
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let x: usize = std::mem::transmute(&0);
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let _v = x + 0;
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//~^ ERROR could not evaluate static initializer
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//~| unable to turn pointer into integer
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};
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// I'd love to test pointer comparison, but that is not possible since
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// their `PartialEq` impl is non-`const`.
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fn main() {}
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