[rustc.git] / src / test / ui / consts / const-eval / ub-upvars.64bit.stderr

error[E0080]: it is undefined behavior to use this value
  --> $DIR/ub-upvars.rs:6:1
   |
LL | const BAD_UPVAR: &dyn FnOnce() = &{
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value at .<deref>.<dyn-downcast>.<captured-var(bad_ref)>: encountered a null reference
   |
   = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
   = note: the raw bytes of the constant (size: 16, align: 8) {
               ╾───────alloc3────────╼ ╾───────alloc4────────╼ │ ╾──────╼╾──────╼
           }

error: aborting due to previous error

For more information about this error, try `rustc --explain E0080`.
Commit	Line	Data
a1dfa0c6	1	error[E0080]: it is undefined behavior to use this value
cdc7bbd5	2	--> $DIR/ub-upvars.rs:6:1
0bf4aa26	3	\|
064997fb FG	4	LL \| const BAD_UPVAR: &dyn FnOnce() = &{
064997fb FG	5	\| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value at .<deref>.<dyn-downcast>.<captured-var(bad_ref)>: encountered a null reference
0bf4aa26	6	\|
e1599b0c	7	= note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
cdc7bbd5	8	= note: the raw bytes of the constant (size: 16, align: 8) {
064997fb	9	╾───────alloc3────────╼ ╾───────alloc4────────╼ │ ╾──────╼╾──────╼
cdc7bbd5	10	}
0bf4aa26 XL	11
	12	error: aborting due to previous error
	13
	14	For more information about this error, try `rustc --explain E0080`.