Rollup merge of #100359 - b-naber:valtrees-pretty-print-ice, r=lcnr
Special-case references to leafs in valtree pretty-printing Fixes https://github.com/rust-lang/rust/issues/100313
This commit is contained in:
commit
96fc9f177e
3 changed files with 40 additions and 0 deletions
|
@ -1513,6 +1513,10 @@ pub trait PrettyPrinter<'tcx>:
|
|||
}
|
||||
return Ok(self);
|
||||
}
|
||||
(ty::ValTree::Leaf(leaf), ty::Ref(_, inner_ty, _)) => {
|
||||
p!(write("&"));
|
||||
return self.pretty_print_const_scalar_int(leaf, *inner_ty, print_ty);
|
||||
}
|
||||
(ty::ValTree::Leaf(leaf), _) => {
|
||||
return self.pretty_print_const_scalar_int(leaf, ty, print_ty);
|
||||
}
|
||||
|
|
21
src/test/ui/const-generics/issues/issue-100313.rs
Normal file
21
src/test/ui/const-generics/issues/issue-100313.rs
Normal file
|
@ -0,0 +1,21 @@
|
|||
#![allow(incomplete_features)]
|
||||
#![feature(const_mut_refs)]
|
||||
#![feature(adt_const_params)]
|
||||
|
||||
struct T<const B: &'static bool>;
|
||||
|
||||
impl <const B: &'static bool> T<B> {
|
||||
const fn set_false(&self) {
|
||||
unsafe {
|
||||
*(B as *const bool as *mut bool) = false;
|
||||
//~^ ERROR evaluation of constant value failed [E0080]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const _: () = {
|
||||
let x = T::<{&true}>;
|
||||
x.set_false();
|
||||
};
|
||||
|
||||
fn main() {}
|
15
src/test/ui/const-generics/issues/issue-100313.stderr
Normal file
15
src/test/ui/const-generics/issues/issue-100313.stderr
Normal file
|
@ -0,0 +1,15 @@
|
|||
error[E0080]: evaluation of constant value failed
|
||||
--> $DIR/issue-100313.rs:10:13
|
||||
|
|
||||
LL | *(B as *const bool as *mut bool) = false;
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
| |
|
||||
| writing to alloc7 which is read-only
|
||||
| inside `T::<&true>::set_false` at $DIR/issue-100313.rs:10:13
|
||||
...
|
||||
LL | x.set_false();
|
||||
| ------------- inside `_` at $DIR/issue-100313.rs:18:5
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
For more information about this error, try `rustc --explain E0080`.
|
Loading…
Add table
Add a link
Reference in a new issue