16 lines
842 B
Plaintext
16 lines
842 B
Plaintext
error[E0080]: it is undefined behavior to use this value
|
|
--> $DIR/ub-upvars.rs:16:1
|
|
|
|
|
LL | / const BAD_UPVAR: &FnOnce() = &{ //~ ERROR it is undefined behavior to use this value
|
|
LL | | let bad_ref: &'static u16 = unsafe { mem::transmute(0usize) };
|
|
LL | | let another_var = 13;
|
|
LL | | move || { let _ = bad_ref; let _ = another_var; }
|
|
LL | | };
|
|
| |__^ type validation failed: encountered 0 at .<deref>.<dyn-downcast>.<closure-var(bad_ref)>, but expected something greater or equal to 1
|
|
|
|
|
= note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rust compiler repository if you believe it should not be considered undefined behavior
|
|
|
|
error: aborting due to previous error
|
|
|
|
For more information about this error, try `rustc --explain E0080`.
|