diff --git a/clippy_lints/src/declared_lints.rs b/clippy_lints/src/declared_lints.rs index b440e267efe34..3627096ed91bb 100644 --- a/clippy_lints/src/declared_lints.rs +++ b/clippy_lints/src/declared_lints.rs @@ -684,7 +684,6 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[ crate::unit_types::UNIT_ARG_INFO, crate::unit_types::UNIT_CMP_INFO, crate::unnamed_address::FN_ADDRESS_COMPARISONS_INFO, - crate::unnamed_address::VTABLE_ADDRESS_COMPARISONS_INFO, crate::unnecessary_box_returns::UNNECESSARY_BOX_RETURNS_INFO, crate::unnecessary_map_on_constructor::UNNECESSARY_MAP_ON_CONSTRUCTOR_INFO, crate::unnecessary_owned_empty_strings::UNNECESSARY_OWNED_EMPTY_STRINGS_INFO, diff --git a/clippy_lints/src/renamed_lints.rs b/clippy_lints/src/renamed_lints.rs index 613f1ecc6fbee..9f5897d2ca74a 100644 --- a/clippy_lints/src/renamed_lints.rs +++ b/clippy_lints/src/renamed_lints.rs @@ -58,4 +58,5 @@ pub static RENAMED_LINTS: &[(&str, &str)] = &[ ("clippy::undropped_manually_drops", "undropped_manually_drops"), ("clippy::unknown_clippy_lints", "unknown_lints"), ("clippy::unused_label", "unused_labels"), + ("clippy::vtable_address_comparisons", "ambiguous_wide_pointer_comparisons"), ]; diff --git a/clippy_lints/src/unnamed_address.rs b/clippy_lints/src/unnamed_address.rs index 41e13e13e56c0..cd2dacc9f099c 100644 --- a/clippy_lints/src/unnamed_address.rs +++ b/clippy_lints/src/unnamed_address.rs @@ -1,9 +1,8 @@ -use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; +use clippy_utils::diagnostics::span_lint; use rustc_hir::{BinOpKind, Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; use rustc_session::declare_lint_pass; -use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -29,31 +28,7 @@ declare_clippy_lint! { "comparison with an address of a function item" } -declare_clippy_lint! { - /// ### What it does - /// Checks for comparisons with an address of a trait vtable. - /// - /// ### Why is this bad? - /// Comparing trait objects pointers compares an vtable addresses which - /// are not guaranteed to be unique and could vary between different code generation units. - /// Furthermore vtables for different types could have the same address after being merged - /// together. - /// - /// ### Example - /// ```rust,ignore - /// let a: Rc = ... - /// let b: Rc = ... - /// if Rc::ptr_eq(&a, &b) { - /// ... - /// } - /// ``` - #[clippy::version = "1.44.0"] - pub VTABLE_ADDRESS_COMPARISONS, - correctness, - "comparison with an address of a trait vtable" -} - -declare_lint_pass!(UnnamedAddress => [FN_ADDRESS_COMPARISONS, VTABLE_ADDRESS_COMPARISONS]); +declare_lint_pass!(UnnamedAddress => [FN_ADDRESS_COMPARISONS]); impl LateLintPass<'_> for UnnamedAddress { fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { @@ -64,49 +39,10 @@ impl LateLintPass<'_> for UnnamedAddress { ) } - fn is_trait_ptr(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { - match cx.typeck_results().expr_ty_adjusted(expr).kind() { - ty::RawPtr(ty::TypeAndMut { ty, .. }) => ty.is_trait(), - _ => false, - } - } - fn is_fn_def(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { matches!(cx.typeck_results().expr_ty(expr).kind(), ty::FnDef(..)) } - if let ExprKind::Binary(binop, left, right) = expr.kind - && is_comparison(binop.node) - && is_trait_ptr(cx, left) - && is_trait_ptr(cx, right) - { - span_lint_and_help( - cx, - VTABLE_ADDRESS_COMPARISONS, - expr.span, - "comparing trait object pointers compares a non-unique vtable address", - None, - "consider extracting and comparing data pointers only", - ); - } - - if let ExprKind::Call(func, [ref _left, ref _right]) = expr.kind - && let ExprKind::Path(ref func_qpath) = func.kind - && let Some(def_id) = cx.qpath_res(func_qpath, func.hir_id).opt_def_id() - && cx.tcx.is_diagnostic_item(sym::ptr_eq, def_id) - && let ty_param = cx.typeck_results().node_args(func.hir_id).type_at(0) - && ty_param.is_trait() - { - span_lint_and_help( - cx, - VTABLE_ADDRESS_COMPARISONS, - expr.span, - "comparing trait object pointers compares a non-unique vtable address", - None, - "consider extracting and comparing data pointers only", - ); - } - if let ExprKind::Binary(binop, left, right) = expr.kind && is_comparison(binop.node) && cx.typeck_results().expr_ty_adjusted(left).is_fn_ptr() diff --git a/tests/ui/rename.fixed b/tests/ui/rename.fixed index 4df9be2c21d9a..31f1ee6a86d1f 100644 --- a/tests/ui/rename.fixed +++ b/tests/ui/rename.fixed @@ -51,6 +51,7 @@ #![allow(undropped_manually_drops)] #![allow(unknown_lints)] #![allow(unused_labels)] +#![allow(ambiguous_wide_pointer_comparisons)] #![warn(clippy::almost_complete_range)] #![warn(clippy::disallowed_names)] #![warn(clippy::blocks_in_if_conditions)] @@ -107,5 +108,6 @@ #![warn(undropped_manually_drops)] #![warn(unknown_lints)] #![warn(unused_labels)] +#![warn(ambiguous_wide_pointer_comparisons)] fn main() {} diff --git a/tests/ui/rename.rs b/tests/ui/rename.rs index 940e60068e7b9..325bc356c15f6 100644 --- a/tests/ui/rename.rs +++ b/tests/ui/rename.rs @@ -51,6 +51,7 @@ #![allow(undropped_manually_drops)] #![allow(unknown_lints)] #![allow(unused_labels)] +#![allow(ambiguous_wide_pointer_comparisons)] #![warn(clippy::almost_complete_letter_range)] #![warn(clippy::blacklisted_name)] #![warn(clippy::block_in_if_condition_expr)] @@ -107,5 +108,6 @@ #![warn(clippy::undropped_manually_drops)] #![warn(clippy::unknown_clippy_lints)] #![warn(clippy::unused_label)] +#![warn(clippy::vtable_address_comparisons)] fn main() {} diff --git a/tests/ui/rename.stderr b/tests/ui/rename.stderr index 30824e154b8bf..a6164338c20cb 100644 --- a/tests/ui/rename.stderr +++ b/tests/ui/rename.stderr @@ -1,5 +1,5 @@ error: lint `clippy::almost_complete_letter_range` has been renamed to `clippy::almost_complete_range` - --> $DIR/rename.rs:54:9 + --> $DIR/rename.rs:55:9 | LL | #![warn(clippy::almost_complete_letter_range)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::almost_complete_range` @@ -8,334 +8,340 @@ LL | #![warn(clippy::almost_complete_letter_range)] = help: to override `-D warnings` add `#[allow(renamed_and_removed_lints)]` error: lint `clippy::blacklisted_name` has been renamed to `clippy::disallowed_names` - --> $DIR/rename.rs:55:9 + --> $DIR/rename.rs:56:9 | LL | #![warn(clippy::blacklisted_name)] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::disallowed_names` error: lint `clippy::block_in_if_condition_expr` has been renamed to `clippy::blocks_in_if_conditions` - --> $DIR/rename.rs:56:9 + --> $DIR/rename.rs:57:9 | LL | #![warn(clippy::block_in_if_condition_expr)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::blocks_in_if_conditions` error: lint `clippy::block_in_if_condition_stmt` has been renamed to `clippy::blocks_in_if_conditions` - --> $DIR/rename.rs:57:9 + --> $DIR/rename.rs:58:9 | LL | #![warn(clippy::block_in_if_condition_stmt)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::blocks_in_if_conditions` error: lint `clippy::box_vec` has been renamed to `clippy::box_collection` - --> $DIR/rename.rs:58:9 + --> $DIR/rename.rs:59:9 | LL | #![warn(clippy::box_vec)] | ^^^^^^^^^^^^^^^ help: use the new name: `clippy::box_collection` error: lint `clippy::const_static_lifetime` has been renamed to `clippy::redundant_static_lifetimes` - --> $DIR/rename.rs:59:9 + --> $DIR/rename.rs:60:9 | LL | #![warn(clippy::const_static_lifetime)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::redundant_static_lifetimes` error: lint `clippy::cyclomatic_complexity` has been renamed to `clippy::cognitive_complexity` - --> $DIR/rename.rs:60:9 + --> $DIR/rename.rs:61:9 | LL | #![warn(clippy::cyclomatic_complexity)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::cognitive_complexity` error: lint `clippy::derive_hash_xor_eq` has been renamed to `clippy::derived_hash_with_manual_eq` - --> $DIR/rename.rs:61:9 + --> $DIR/rename.rs:62:9 | LL | #![warn(clippy::derive_hash_xor_eq)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::derived_hash_with_manual_eq` error: lint `clippy::disallowed_method` has been renamed to `clippy::disallowed_methods` - --> $DIR/rename.rs:62:9 + --> $DIR/rename.rs:63:9 | LL | #![warn(clippy::disallowed_method)] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::disallowed_methods` error: lint `clippy::disallowed_type` has been renamed to `clippy::disallowed_types` - --> $DIR/rename.rs:63:9 + --> $DIR/rename.rs:64:9 | LL | #![warn(clippy::disallowed_type)] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::disallowed_types` error: lint `clippy::eval_order_dependence` has been renamed to `clippy::mixed_read_write_in_expression` - --> $DIR/rename.rs:64:9 + --> $DIR/rename.rs:65:9 | LL | #![warn(clippy::eval_order_dependence)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::mixed_read_write_in_expression` error: lint `clippy::identity_conversion` has been renamed to `clippy::useless_conversion` - --> $DIR/rename.rs:65:9 + --> $DIR/rename.rs:66:9 | LL | #![warn(clippy::identity_conversion)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::useless_conversion` error: lint `clippy::if_let_some_result` has been renamed to `clippy::match_result_ok` - --> $DIR/rename.rs:66:9 + --> $DIR/rename.rs:67:9 | LL | #![warn(clippy::if_let_some_result)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::match_result_ok` error: lint `clippy::incorrect_clone_impl_on_copy_type` has been renamed to `clippy::non_canonical_clone_impl` - --> $DIR/rename.rs:67:9 + --> $DIR/rename.rs:68:9 | LL | #![warn(clippy::incorrect_clone_impl_on_copy_type)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::non_canonical_clone_impl` error: lint `clippy::incorrect_partial_ord_impl_on_ord_type` has been renamed to `clippy::non_canonical_partial_ord_impl` - --> $DIR/rename.rs:68:9 + --> $DIR/rename.rs:69:9 | LL | #![warn(clippy::incorrect_partial_ord_impl_on_ord_type)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::non_canonical_partial_ord_impl` error: lint `clippy::integer_arithmetic` has been renamed to `clippy::arithmetic_side_effects` - --> $DIR/rename.rs:69:9 + --> $DIR/rename.rs:70:9 | LL | #![warn(clippy::integer_arithmetic)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::arithmetic_side_effects` error: lint `clippy::logic_bug` has been renamed to `clippy::overly_complex_bool_expr` - --> $DIR/rename.rs:70:9 + --> $DIR/rename.rs:71:9 | LL | #![warn(clippy::logic_bug)] | ^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::overly_complex_bool_expr` error: lint `clippy::new_without_default_derive` has been renamed to `clippy::new_without_default` - --> $DIR/rename.rs:71:9 + --> $DIR/rename.rs:72:9 | LL | #![warn(clippy::new_without_default_derive)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::new_without_default` error: lint `clippy::option_and_then_some` has been renamed to `clippy::bind_instead_of_map` - --> $DIR/rename.rs:72:9 + --> $DIR/rename.rs:73:9 | LL | #![warn(clippy::option_and_then_some)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::bind_instead_of_map` error: lint `clippy::option_expect_used` has been renamed to `clippy::expect_used` - --> $DIR/rename.rs:73:9 + --> $DIR/rename.rs:74:9 | LL | #![warn(clippy::option_expect_used)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::expect_used` error: lint `clippy::option_map_unwrap_or` has been renamed to `clippy::map_unwrap_or` - --> $DIR/rename.rs:74:9 + --> $DIR/rename.rs:75:9 | LL | #![warn(clippy::option_map_unwrap_or)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::map_unwrap_or` error: lint `clippy::option_map_unwrap_or_else` has been renamed to `clippy::map_unwrap_or` - --> $DIR/rename.rs:75:9 + --> $DIR/rename.rs:76:9 | LL | #![warn(clippy::option_map_unwrap_or_else)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::map_unwrap_or` error: lint `clippy::option_unwrap_used` has been renamed to `clippy::unwrap_used` - --> $DIR/rename.rs:76:9 + --> $DIR/rename.rs:77:9 | LL | #![warn(clippy::option_unwrap_used)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::unwrap_used` error: lint `clippy::ref_in_deref` has been renamed to `clippy::needless_borrow` - --> $DIR/rename.rs:77:9 + --> $DIR/rename.rs:78:9 | LL | #![warn(clippy::ref_in_deref)] | ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::needless_borrow` error: lint `clippy::result_expect_used` has been renamed to `clippy::expect_used` - --> $DIR/rename.rs:78:9 + --> $DIR/rename.rs:79:9 | LL | #![warn(clippy::result_expect_used)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::expect_used` error: lint `clippy::result_map_unwrap_or_else` has been renamed to `clippy::map_unwrap_or` - --> $DIR/rename.rs:79:9 + --> $DIR/rename.rs:80:9 | LL | #![warn(clippy::result_map_unwrap_or_else)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::map_unwrap_or` error: lint `clippy::result_unwrap_used` has been renamed to `clippy::unwrap_used` - --> $DIR/rename.rs:80:9 + --> $DIR/rename.rs:81:9 | LL | #![warn(clippy::result_unwrap_used)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::unwrap_used` error: lint `clippy::single_char_push_str` has been renamed to `clippy::single_char_add_str` - --> $DIR/rename.rs:81:9 + --> $DIR/rename.rs:82:9 | LL | #![warn(clippy::single_char_push_str)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::single_char_add_str` error: lint `clippy::stutter` has been renamed to `clippy::module_name_repetitions` - --> $DIR/rename.rs:82:9 + --> $DIR/rename.rs:83:9 | LL | #![warn(clippy::stutter)] | ^^^^^^^^^^^^^^^ help: use the new name: `clippy::module_name_repetitions` error: lint `clippy::to_string_in_display` has been renamed to `clippy::recursive_format_impl` - --> $DIR/rename.rs:83:9 + --> $DIR/rename.rs:84:9 | LL | #![warn(clippy::to_string_in_display)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::recursive_format_impl` error: lint `clippy::unwrap_or_else_default` has been renamed to `clippy::unwrap_or_default` - --> $DIR/rename.rs:84:9 + --> $DIR/rename.rs:85:9 | LL | #![warn(clippy::unwrap_or_else_default)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::unwrap_or_default` error: lint `clippy::zero_width_space` has been renamed to `clippy::invisible_characters` - --> $DIR/rename.rs:85:9 + --> $DIR/rename.rs:86:9 | LL | #![warn(clippy::zero_width_space)] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::invisible_characters` error: lint `clippy::cast_ref_to_mut` has been renamed to `invalid_reference_casting` - --> $DIR/rename.rs:86:9 + --> $DIR/rename.rs:87:9 | LL | #![warn(clippy::cast_ref_to_mut)] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_reference_casting` error: lint `clippy::clone_double_ref` has been renamed to `suspicious_double_ref_op` - --> $DIR/rename.rs:87:9 + --> $DIR/rename.rs:88:9 | LL | #![warn(clippy::clone_double_ref)] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `suspicious_double_ref_op` error: lint `clippy::cmp_nan` has been renamed to `invalid_nan_comparisons` - --> $DIR/rename.rs:88:9 + --> $DIR/rename.rs:89:9 | LL | #![warn(clippy::cmp_nan)] | ^^^^^^^^^^^^^^^ help: use the new name: `invalid_nan_comparisons` error: lint `clippy::drop_bounds` has been renamed to `drop_bounds` - --> $DIR/rename.rs:89:9 + --> $DIR/rename.rs:90:9 | LL | #![warn(clippy::drop_bounds)] | ^^^^^^^^^^^^^^^^^^^ help: use the new name: `drop_bounds` error: lint `clippy::drop_copy` has been renamed to `dropping_copy_types` - --> $DIR/rename.rs:90:9 + --> $DIR/rename.rs:91:9 | LL | #![warn(clippy::drop_copy)] | ^^^^^^^^^^^^^^^^^ help: use the new name: `dropping_copy_types` error: lint `clippy::drop_ref` has been renamed to `dropping_references` - --> $DIR/rename.rs:91:9 + --> $DIR/rename.rs:92:9 | LL | #![warn(clippy::drop_ref)] | ^^^^^^^^^^^^^^^^ help: use the new name: `dropping_references` error: lint `clippy::fn_null_check` has been renamed to `useless_ptr_null_checks` - --> $DIR/rename.rs:92:9 + --> $DIR/rename.rs:93:9 | LL | #![warn(clippy::fn_null_check)] | ^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `useless_ptr_null_checks` error: lint `clippy::for_loop_over_option` has been renamed to `for_loops_over_fallibles` - --> $DIR/rename.rs:93:9 + --> $DIR/rename.rs:94:9 | LL | #![warn(clippy::for_loop_over_option)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `for_loops_over_fallibles` error: lint `clippy::for_loop_over_result` has been renamed to `for_loops_over_fallibles` - --> $DIR/rename.rs:94:9 + --> $DIR/rename.rs:95:9 | LL | #![warn(clippy::for_loop_over_result)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `for_loops_over_fallibles` error: lint `clippy::for_loops_over_fallibles` has been renamed to `for_loops_over_fallibles` - --> $DIR/rename.rs:95:9 + --> $DIR/rename.rs:96:9 | LL | #![warn(clippy::for_loops_over_fallibles)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `for_loops_over_fallibles` error: lint `clippy::forget_copy` has been renamed to `forgetting_copy_types` - --> $DIR/rename.rs:96:9 + --> $DIR/rename.rs:97:9 | LL | #![warn(clippy::forget_copy)] | ^^^^^^^^^^^^^^^^^^^ help: use the new name: `forgetting_copy_types` error: lint `clippy::forget_ref` has been renamed to `forgetting_references` - --> $DIR/rename.rs:97:9 + --> $DIR/rename.rs:98:9 | LL | #![warn(clippy::forget_ref)] | ^^^^^^^^^^^^^^^^^^ help: use the new name: `forgetting_references` error: lint `clippy::into_iter_on_array` has been renamed to `array_into_iter` - --> $DIR/rename.rs:98:9 + --> $DIR/rename.rs:99:9 | LL | #![warn(clippy::into_iter_on_array)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `array_into_iter` error: lint `clippy::invalid_atomic_ordering` has been renamed to `invalid_atomic_ordering` - --> $DIR/rename.rs:99:9 + --> $DIR/rename.rs:100:9 | LL | #![warn(clippy::invalid_atomic_ordering)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_atomic_ordering` error: lint `clippy::invalid_ref` has been renamed to `invalid_value` - --> $DIR/rename.rs:100:9 + --> $DIR/rename.rs:101:9 | LL | #![warn(clippy::invalid_ref)] | ^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_value` error: lint `clippy::invalid_utf8_in_unchecked` has been renamed to `invalid_from_utf8_unchecked` - --> $DIR/rename.rs:101:9 + --> $DIR/rename.rs:102:9 | LL | #![warn(clippy::invalid_utf8_in_unchecked)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_from_utf8_unchecked` error: lint `clippy::let_underscore_drop` has been renamed to `let_underscore_drop` - --> $DIR/rename.rs:102:9 + --> $DIR/rename.rs:103:9 | LL | #![warn(clippy::let_underscore_drop)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `let_underscore_drop` error: lint `clippy::mem_discriminant_non_enum` has been renamed to `enum_intrinsics_non_enums` - --> $DIR/rename.rs:103:9 + --> $DIR/rename.rs:104:9 | LL | #![warn(clippy::mem_discriminant_non_enum)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `enum_intrinsics_non_enums` error: lint `clippy::panic_params` has been renamed to `non_fmt_panics` - --> $DIR/rename.rs:104:9 + --> $DIR/rename.rs:105:9 | LL | #![warn(clippy::panic_params)] | ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `non_fmt_panics` error: lint `clippy::positional_named_format_parameters` has been renamed to `named_arguments_used_positionally` - --> $DIR/rename.rs:105:9 + --> $DIR/rename.rs:106:9 | LL | #![warn(clippy::positional_named_format_parameters)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `named_arguments_used_positionally` error: lint `clippy::temporary_cstring_as_ptr` has been renamed to `temporary_cstring_as_ptr` - --> $DIR/rename.rs:106:9 + --> $DIR/rename.rs:107:9 | LL | #![warn(clippy::temporary_cstring_as_ptr)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `temporary_cstring_as_ptr` error: lint `clippy::undropped_manually_drops` has been renamed to `undropped_manually_drops` - --> $DIR/rename.rs:107:9 + --> $DIR/rename.rs:108:9 | LL | #![warn(clippy::undropped_manually_drops)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `undropped_manually_drops` error: lint `clippy::unknown_clippy_lints` has been renamed to `unknown_lints` - --> $DIR/rename.rs:108:9 + --> $DIR/rename.rs:109:9 | LL | #![warn(clippy::unknown_clippy_lints)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unknown_lints` error: lint `clippy::unused_label` has been renamed to `unused_labels` - --> $DIR/rename.rs:109:9 + --> $DIR/rename.rs:110:9 | LL | #![warn(clippy::unused_label)] | ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_labels` -error: aborting due to 56 previous errors +error: lint `clippy::vtable_address_comparisons` has been renamed to `ambiguous_wide_pointer_comparisons` + --> $DIR/rename.rs:111:9 + | +LL | #![warn(clippy::vtable_address_comparisons)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `ambiguous_wide_pointer_comparisons` + +error: aborting due to 57 previous errors diff --git a/tests/ui/vtable_address_comparisons.rs b/tests/ui/vtable_address_comparisons.rs deleted file mode 100644 index 75647c027e146..0000000000000 --- a/tests/ui/vtable_address_comparisons.rs +++ /dev/null @@ -1,52 +0,0 @@ -use std::fmt::Debug; -use std::ptr; -use std::rc::Rc; -use std::sync::Arc; - -#[warn(clippy::vtable_address_comparisons)] -#[allow(clippy::borrow_as_ptr)] - -fn main() { - let a: *const dyn Debug = &1 as &dyn Debug; - let b: *const dyn Debug = &1 as &dyn Debug; - - // These should fail: - let _ = a == b; - //~^ ERROR: comparing trait object pointers compares a non-unique vtable address - let _ = a != b; - //~^ ERROR: comparing trait object pointers compares a non-unique vtable address - let _ = a < b; - //~^ ERROR: comparing trait object pointers compares a non-unique vtable address - let _ = a <= b; - //~^ ERROR: comparing trait object pointers compares a non-unique vtable address - let _ = a > b; - //~^ ERROR: comparing trait object pointers compares a non-unique vtable address - let _ = a >= b; - //~^ ERROR: comparing trait object pointers compares a non-unique vtable address - ptr::eq(a, b); - //~^ ERROR: comparing trait object pointers compares a non-unique vtable address - - let a = &1 as &dyn Debug; - let b = &1 as &dyn Debug; - ptr::eq(a, b); - //~^ ERROR: comparing trait object pointers compares a non-unique vtable address - - // These should be fine: - let a = &1; - ptr::eq(a, a); - - let a = Rc::new(1); - Rc::ptr_eq(&a, &a); - - let a = Arc::new(1); - Arc::ptr_eq(&a, &a); - - let a: Rc = Rc::new(1); - Rc::ptr_eq(&a, &a); - - let a: Arc = Arc::new(1); - Arc::ptr_eq(&a, &a); - - let a: &[u8] = b""; - ptr::eq(a, a); -} diff --git a/tests/ui/vtable_address_comparisons.stderr b/tests/ui/vtable_address_comparisons.stderr deleted file mode 100644 index 83c82f3796eb4..0000000000000 --- a/tests/ui/vtable_address_comparisons.stderr +++ /dev/null @@ -1,68 +0,0 @@ -error: comparing trait object pointers compares a non-unique vtable address - --> $DIR/vtable_address_comparisons.rs:14:13 - | -LL | let _ = a == b; - | ^^^^^^ - | - = help: consider extracting and comparing data pointers only - = note: `-D clippy::vtable-address-comparisons` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::vtable_address_comparisons)]` - -error: comparing trait object pointers compares a non-unique vtable address - --> $DIR/vtable_address_comparisons.rs:16:13 - | -LL | let _ = a != b; - | ^^^^^^ - | - = help: consider extracting and comparing data pointers only - -error: comparing trait object pointers compares a non-unique vtable address - --> $DIR/vtable_address_comparisons.rs:18:13 - | -LL | let _ = a < b; - | ^^^^^ - | - = help: consider extracting and comparing data pointers only - -error: comparing trait object pointers compares a non-unique vtable address - --> $DIR/vtable_address_comparisons.rs:20:13 - | -LL | let _ = a <= b; - | ^^^^^^ - | - = help: consider extracting and comparing data pointers only - -error: comparing trait object pointers compares a non-unique vtable address - --> $DIR/vtable_address_comparisons.rs:22:13 - | -LL | let _ = a > b; - | ^^^^^ - | - = help: consider extracting and comparing data pointers only - -error: comparing trait object pointers compares a non-unique vtable address - --> $DIR/vtable_address_comparisons.rs:24:13 - | -LL | let _ = a >= b; - | ^^^^^^ - | - = help: consider extracting and comparing data pointers only - -error: comparing trait object pointers compares a non-unique vtable address - --> $DIR/vtable_address_comparisons.rs:26:5 - | -LL | ptr::eq(a, b); - | ^^^^^^^^^^^^^ - | - = help: consider extracting and comparing data pointers only - -error: comparing trait object pointers compares a non-unique vtable address - --> $DIR/vtable_address_comparisons.rs:31:5 - | -LL | ptr::eq(a, b); - | ^^^^^^^^^^^^^ - | - = help: consider extracting and comparing data pointers only - -error: aborting due to 8 previous errors -