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Do not registor borrows for unsafe lvalues

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This commit is contained in:
Keith Yeung 2017-11-16 15:32:13 -08:00
parent 3be597acf3
commit c9d1db7bc5
2 changed files with 50 additions and 42 deletions
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34
src/test/compile-fail/borrowck/borrowck-describe-lvalue.rs
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@ -46,12 +46,6 @@ impl Baz {
}
}
static mut sfoo : Foo = Foo{x: 23 };
static mut sbar : Bar = Bar(23);
static mut stuple : (i32, i32) = (24, 25);
static mut senum : Baz = Baz::X(26);
static mut sunion : U = U { a: 0 };
fn main() {
// Local and field from struct
{
@ -96,34 +90,6 @@ fn main() {
//[mir]~^ ERROR cannot use `u.a` because it was mutably borrowed (Ast)
//[mir]~| ERROR cannot use `u.a` because it was mutably borrowed (Mir)
}
// Static and field from struct
unsafe {
let _x = sfoo.x();
sfoo.x; //[mir]~ ERROR cannot use `sfoo.x` because it was mutably borrowed (Mir)
}
// Static and field from tuple-struct
unsafe {
let _0 = sbar.x();
sbar.0; //[mir]~ ERROR cannot use `sbar.0` because it was mutably borrowed (Mir)
}
// Static and field from tuple
unsafe {
let _0 = &mut stuple.0;
stuple.0; //[mir]~ ERROR cannot use `stuple.0` because it was mutably borrowed (Mir)
}
// Static and field from enum
unsafe {
let _e0 = senum.x();
match senum {
Baz::X(value) => value
//[mir]~^ ERROR cannot use `senum.0` because it was mutably borrowed (Mir)
};
}
// Static and field from union
unsafe {
let _ra = &mut sunion.a;
sunion.a; //[mir]~ ERROR cannot use `sunion.a` because it was mutably borrowed (Mir)
}
// Deref and field from struct
{
let mut f = Box::new(Foo { x: 22 });