Auto merge of #52673 - oli-obk:mutable_promoted, r=nagisa,cramertj,estebank
Try to fix an ICE might fix #52671
This commit is contained in:
commit
419e60ee9d
|
@ -1864,8 +1864,12 @@ impl<'cx, 'gcx, 'tcx> MirBorrowckCtxt<'cx, 'gcx, 'tcx> {
|
|||
}),
|
||||
}
|
||||
}
|
||||
// promoteds may never be mutated
|
||||
Place::Promoted(_) => bug!("encountered mutable promoted"),
|
||||
// The rules for promotion are made by `qualify_consts`, there wouldn't even be a
|
||||
// `Place::Promoted` if the promotion weren't 100% legal. So we just forward this
|
||||
Place::Promoted(_) => Ok(RootPlace {
|
||||
place,
|
||||
is_local_mutation_allowed,
|
||||
}),
|
||||
Place::Static(ref static_) => {
|
||||
if self.tcx.is_static(static_.def_id) != Some(hir::Mutability::MutMutable) {
|
||||
Err(place)
|
||||
|
|
|
@ -0,0 +1,17 @@
|
|||
// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
|
||||
// file at the top-level directory of this distribution and at
|
||||
// http://rust-lang.org/COPYRIGHT.
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||||
// option. This file may not be copied, modified, or distributed
|
||||
// except according to those terms.
|
||||
|
||||
// compile-pass
|
||||
|
||||
#![feature(nll)]
|
||||
|
||||
pub fn main() {
|
||||
let y: &'static mut [u8; 0] = &mut [];
|
||||
}
|
Loading…
Reference in New Issue