diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_lint/src/builtin.rs | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index 905a808f51f..f19572550eb 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -2972,10 +2972,10 @@ declare_lint! { /// /// ```rust,no_run /// # #![allow(unused)] + /// use std::ptr; /// unsafe { - /// let x = &*core::ptr::null::<i32>(); - /// let x = core::ptr::addr_of!(*std::ptr::null::<i32>()); - /// let x = *core::ptr::null::<i32>(); + /// let x = &*ptr::null::<i32>(); + /// let x = ptr::addr_of!(*ptr::null::<i32>()); /// let x = *(0 as *const i32); /// } /// ``` @@ -3036,9 +3036,7 @@ impl<'tcx> LateLintPass<'tcx> for DerefNullPtr { if let rustc_hir::UnOp::Deref = un_op { if is_null_ptr(cx, expr_deref) { cx.struct_span_lint(DEREF_NULLPTR, expr.span, |lint| { - let mut err = - lint.build("Dereferencing a null pointer causes undefined behavior"); - err.span_label(expr.span, "a null pointer is dereferenced"); + let mut err = lint.build("dereferencing a null pointer"); err.span_label( expr.span, "this code causes undefined behavior when executed", |