diff options
Diffstat (limited to 'tests/ui/lint/ptr_null_checks.stderr')
| -rw-r--r-- | tests/ui/lint/ptr_null_checks.stderr | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/tests/ui/lint/ptr_null_checks.stderr b/tests/ui/lint/ptr_null_checks.stderr index 3cee1804b..0edc1b865 100644 --- a/tests/ui/lint/ptr_null_checks.stderr +++ b/tests/ui/lint/ptr_null_checks.stderr @@ -117,13 +117,11 @@ LL | if (&mut 8 as *mut i32).is_null() {} | | | expression has type `&mut i32` -warning: references are not nullable, so checking them for null will always return false +warning: returned pointer of `from_mut` call is never null, so checking it for null will always return false --> $DIR/ptr_null_checks.rs:40:8 | LL | if ptr::from_mut(&mut 8).is_null() {} - | ^^^^^^^^^^^^^^------^^^^^^^^^^^ - | | - | expression has type `&mut i32` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: references are not nullable, so checking them for null will always return false --> $DIR/ptr_null_checks.rs:42:8 @@ -133,29 +131,23 @@ LL | if (&8 as *const i32).is_null() {} | | | expression has type `&i32` -warning: references are not nullable, so checking them for null will always return false +warning: returned pointer of `from_ref` call is never null, so checking it for null will always return false --> $DIR/ptr_null_checks.rs:44:8 | LL | if ptr::from_ref(&8).is_null() {} - | ^^^^^^^^^^^^^^--^^^^^^^^^^^ - | | - | expression has type `&i32` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: references are not nullable, so checking them for null will always return false +warning: returned pointer of `from_ref` call is never null, so checking it for null will always return false --> $DIR/ptr_null_checks.rs:46:8 | LL | if ptr::from_ref(&8).cast_mut().is_null() {} - | ^^^^^^^^^^^^^^--^^^^^^^^^^^^^^^^^^^^^^ - | | - | expression has type `&i32` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: references are not nullable, so checking them for null will always return false +warning: returned pointer of `from_ref` call is never null, so checking it for null will always return false --> $DIR/ptr_null_checks.rs:48:8 | LL | if (ptr::from_ref(&8).cast_mut() as *mut i32).is_null() {} - | ^^^^^^^^^^^^^^^--^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | - | expression has type `&i32` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: references are not nullable, so checking them for null will always return false --> $DIR/ptr_null_checks.rs:50:8 @@ -221,5 +213,17 @@ LL | if (&*{ static_i32() } as *const i32).is_null() {} | | | expression has type `&i32` -warning: 25 warnings emitted +warning: returned pointer of `as_ptr` call is never null, so checking it for null will always return false + --> $DIR/ptr_null_checks.rs:69:8 + | +LL | if ptr::NonNull::new(&mut 8).unwrap().as_ptr().is_null() {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: returned pointer of `as_ptr` call is never null, so checking it for null will always return false + --> $DIR/ptr_null_checks.rs:71:8 + | +LL | if ptr::NonNull::<u8>::dangling().as_ptr().is_null() {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: 27 warnings emitted |