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Update and bless tests for copy intrinsic

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Albin Hedman 2021-06-27 13:48:01 +02:00
parent 56c78b2f59
commit c0125532ea
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2 changed files with 20 additions and 67 deletions
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13
src/test/ui/consts/copy-intrinsic.rs
View file

@ -24,32 +24,27 @@ const COPY_OOB_1: () = unsafe {
let mut x = 0i32;
let dangle = (&mut x as *mut i32).wrapping_add(10);
// Even if the first ptr is an int ptr and this is a ZST copy, we should detect dangling 2nd ptrs.
copy_nonoverlapping(0x100 as *const i32, dangle, 0); //~ ERROR any use of this value will cause an error
//~| memory access failed: pointer must be in-bounds
//~| previously accepted
copy_nonoverlapping(0x100 as *const i32, dangle, 0); //~ evaluation of constant value failed [E0080]
};
const COPY_OOB_2: () = unsafe {
let x = 0i32;
let dangle = (&x as *const i32).wrapping_add(10);
// Even if the second ptr is an int ptr and this is a ZST copy, we should detect dangling 1st ptrs.
copy_nonoverlapping(dangle, 0x100 as *mut i32, 0); //~ ERROR any use of this value will cause an error
copy_nonoverlapping(dangle, 0x100 as *mut i32, 0); //~ evaluation of constant value failed [E0080]
//~| memory access failed: pointer must be in-bounds
//~| previously accepted
};
const COPY_SIZE_OVERFLOW: () = unsafe {
let x = 0;
let mut y = 0;
copy(&x, &mut y, 1usize << (mem::size_of::<usize>() * 8 - 1)); //~ ERROR any use of this value will cause an error
copy(&x, &mut y, 1usize << (mem::size_of::<usize>() * 8 - 1)); //~ evaluation of constant value failed [E0080]
//~| overflow computing total size of `copy`
//~| previously accepted
};
const COPY_NONOVERLAPPING_SIZE_OVERFLOW: () = unsafe {
let x = 0;
let mut y = 0;
copy_nonoverlapping(&x, &mut y, 1usize << (mem::size_of::<usize>() * 8 - 1)); //~ ERROR any use of this value will cause an error
copy_nonoverlapping(&x, &mut y, 1usize << (mem::size_of::<usize>() * 8 - 1)); //~ evaluation of constant value failed [E0080]
//~| overflow computing total size of `copy_nonoverlapping`
//~| previously accepted
};
fn main() {

74
src/test/ui/consts/copy-intrinsic.stderr
View file

@ -1,69 +1,27 @@
error: any use of this value will cause an error
error[E0080]: evaluation of constant value failed
--> $DIR/copy-intrinsic.rs:27:5
|
LL | / const COPY_OOB_1: () = unsafe {
LL | | let mut x = 0i32;
LL | | let dangle = (&mut x as *mut i32).wrapping_add(10);
LL | | // Even if the first ptr is an int ptr and this is a ZST copy, we should detect dangling 2nd ptrs.
LL | | copy_nonoverlapping(0x100 as *const i32, dangle, 0);
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: pointer must be in-bounds at offset 40, but is outside bounds of alloc4 which has size 4
LL | |
LL | |
LL | | };
| |__-
|
= note: `#[deny(const_err)]` on by default
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
LL | copy_nonoverlapping(0x100 as *const i32, dangle, 0);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: pointer must be in-bounds at offset 40, but is outside bounds of alloc4 which has size 4
error: any use of this value will cause an error
--> $DIR/copy-intrinsic.rs:35:5
error[E0080]: evaluation of constant value failed
--> $DIR/copy-intrinsic.rs:33:5
|
LL | / const COPY_OOB_2: () = unsafe {
LL | | let x = 0i32;
LL | | let dangle = (&x as *const i32).wrapping_add(10);
LL | | // Even if the second ptr is an int ptr and this is a ZST copy, we should detect dangling 1st ptrs.
LL | | copy_nonoverlapping(dangle, 0x100 as *mut i32, 0);
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: pointer must be in-bounds at offset 40, but is outside bounds of alloc6 which has size 4
LL | |
LL | |
LL | | };
| |__-
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
LL | copy_nonoverlapping(dangle, 0x100 as *mut i32, 0);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: pointer must be in-bounds at offset 40, but is outside bounds of alloc6 which has size 4
error: any use of this value will cause an error
--> $DIR/copy-intrinsic.rs:43:5
error[E0080]: evaluation of constant value failed
--> $DIR/copy-intrinsic.rs:40:5
|
LL | / const COPY_SIZE_OVERFLOW: () = unsafe {
LL | | let x = 0;
LL | | let mut y = 0;
LL | | copy(&x, &mut y, 1usize << (mem::size_of::<usize>() * 8 - 1));
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow computing total size of `copy`
LL | |
LL | |
LL | | };
| |__-
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
LL | copy(&x, &mut y, 1usize << (mem::size_of::<usize>() * 8 - 1));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow computing total size of `copy`
error: any use of this value will cause an error
--> $DIR/copy-intrinsic.rs:50:5
error[E0080]: evaluation of constant value failed
--> $DIR/copy-intrinsic.rs:46:5
|
LL | / const COPY_NONOVERLAPPING_SIZE_OVERFLOW: () = unsafe {
LL | | let x = 0;
LL | | let mut y = 0;
LL | | copy_nonoverlapping(&x, &mut y, 1usize << (mem::size_of::<usize>() * 8 - 1));
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow computing total size of `copy_nonoverlapping`
LL | |
LL | |
LL | | };
| |__-
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
LL | copy_nonoverlapping(&x, &mut y, 1usize << (mem::size_of::<usize>() * 8 - 1));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow computing total size of `copy_nonoverlapping`
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0080`.