31 lines
834 B
Rust
31 lines
834 B
Rust
// revisions: no_flag with_flag
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// [no_flag] check-pass
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// [with_flag] compile-flags: -Zextra-const-ub-checks
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use std::mem::transmute;
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const INVALID_BOOL: () = unsafe {
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let _x: bool = transmute(3u8);
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//[with_flag]~^ ERROR: evaluation of constant value failed
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//[with_flag]~| invalid value
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};
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const INVALID_PTR_IN_INT: () = unsafe {
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let _x: usize = transmute(&3u8);
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//[with_flag]~^ ERROR: evaluation of constant value failed
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};
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const INVALID_SLICE_TO_USIZE_TRANSMUTE: () = unsafe {
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let x: &[u8] = &[0; 32];
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let _x: (usize, usize) = transmute(x);
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//[with_flag]~^ ERROR: evaluation of constant value failed
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};
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const UNALIGNED_PTR: () = unsafe {
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let _x: &u32 = transmute(&[0u8; 4]);
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//[with_flag]~^ ERROR: evaluation of constant value failed
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//[with_flag]~| invalid value
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};
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fn main() {}
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