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Add support for NonNull in ambiguous_wide_ptr_comparisions

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This commit is contained in:
Urgau
2024-02-19 21:50:33 +01:00
parent af4a5a13a1
commit 16d11c539f
5 changed files with 139 additions and 65 deletions
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1
compiler/rustc_data_structures/src/tagged_ptr/copy.rs
View File

@@ -243,6 +243,7 @@ where
T: Tag,
{
#[inline]
#[allow(ambiguous_wide_pointer_comparisons)]
fn eq(&self, other: &Self) -> bool {
self.packed == other.packed
}

18
compiler/rustc_lint/src/lints.rs
View File

@@ -1632,11 +1632,13 @@ pub struct AmbiguousWidePointerComparisonsAddrMetadataSuggestion<'a> {
pub ne: &'a str,
pub deref_left: &'a str,
pub deref_right: &'a str,
pub l_modifiers: &'a str,
pub r_modifiers: &'a str,
#[suggestion_part(code = "{ne}std::ptr::eq({deref_left}")]
pub left: Span,
#[suggestion_part(code = ", {deref_right}")]
#[suggestion_part(code = "{l_modifiers}, {deref_right}")]
pub middle: Span,
#[suggestion_part(code = ")")]
#[suggestion_part(code = "{r_modifiers})")]
pub right: Span,
}
@@ -1652,11 +1654,13 @@ pub enum AmbiguousWidePointerComparisonsAddrSuggestion<'a> {
ne: &'a str,
deref_left: &'a str,
deref_right: &'a str,
l_modifiers: &'a str,
r_modifiers: &'a str,
#[suggestion_part(code = "{ne}std::ptr::addr_eq({deref_left}")]
left: Span,
#[suggestion_part(code = ", {deref_right}")]
#[suggestion_part(code = "{l_modifiers}, {deref_right}")]
middle: Span,
#[suggestion_part(code = ")")]
#[suggestion_part(code = "{r_modifiers})")]
right: Span,
},
#[multipart_suggestion(
@@ -1670,13 +1674,15 @@ pub enum AmbiguousWidePointerComparisonsAddrSuggestion<'a> {
deref_right: &'a str,
paren_left: &'a str,
paren_right: &'a str,
l_modifiers: &'a str,
r_modifiers: &'a str,
#[suggestion_part(code = "({deref_left}")]
left_before: Option<Span>,
#[suggestion_part(code = "{paren_left}.cast::<()>()")]
#[suggestion_part(code = "{l_modifiers}{paren_left}.cast::<()>()")]
left_after: Span,
#[suggestion_part(code = "({deref_right}")]
right_before: Option<Span>,
#[suggestion_part(code = "{paren_right}.cast::<()>()")]
#[suggestion_part(code = "{r_modifiers}{paren_right}.cast::<()>()")]
right_after: Span,
},
}

38
compiler/rustc_lint/src/types.rs
View File

@@ -670,7 +670,11 @@ fn lint_wide_pointer<'tcx>(
l: &'tcx hir::Expr<'tcx>,
r: &'tcx hir::Expr<'tcx>,
) {
let ptr_unsized = |mut ty: Ty<'tcx>| -> Option<(usize, bool)> {
let ptr_unsized = |mut ty: Ty<'tcx>| -> Option<(
/* number of refs */ usize,
/* modifiers */ String,
/* is dyn */ bool,
)> {
let mut refs = 0;
// here we remove any "implicit" references and count the number
// of them to correctly suggest the right number of deref
@@ -678,11 +682,20 @@ fn lint_wide_pointer<'tcx>(
ty = *inner_ty;
refs += 1;
}
match ty.kind() {
ty::RawPtr(ty, _) => (!ty.is_sized(cx.tcx, cx.param_env))
.then(|| (refs, matches!(ty.kind(), ty::Dynamic(_, _, ty::Dyn)))),
_ => None,
}
// get the inner type of a pointer (or akin)
let mut modifiers = String::new();
ty = match ty.kind() {
ty::RawPtr(ty, _) => *ty,
ty::Adt(def, args) if cx.tcx.is_diagnostic_item(sym::NonNull, def.did()) => {
modifiers.push_str(".as_ptr()");
args.type_at(0)
}
_ => return None,
};
(!ty.is_sized(cx.tcx, cx.param_env))
.then(|| (refs, modifiers, matches!(ty.kind(), ty::Dynamic(_, _, ty::Dyn))))
};
// the left and right operands can have references, remove any explicit references
@@ -696,10 +709,10 @@ fn lint_wide_pointer<'tcx>(
return;
};
let Some((l_ty_refs, l_inner_ty_is_dyn)) = ptr_unsized(l_ty) else {
let Some((l_ty_refs, l_modifiers, l_inner_ty_is_dyn)) = ptr_unsized(l_ty) else {
return;
};
let Some((r_ty_refs, r_inner_ty_is_dyn)) = ptr_unsized(r_ty) else {
let Some((r_ty_refs, r_modifiers, r_inner_ty_is_dyn)) = ptr_unsized(r_ty) else {
return;
};
@@ -724,6 +737,9 @@ fn lint_wide_pointer<'tcx>(
let deref_left = &*"*".repeat(l_ty_refs);
let deref_right = &*"*".repeat(r_ty_refs);
let l_modifiers = &*l_modifiers;
let r_modifiers = &*r_modifiers;
cx.emit_span_lint(
AMBIGUOUS_WIDE_POINTER_COMPARISONS,
e.span,
@@ -733,6 +749,8 @@ fn lint_wide_pointer<'tcx>(
ne,
deref_left,
deref_right,
l_modifiers,
r_modifiers,
left,
middle,
right,
@@ -743,6 +761,8 @@ fn lint_wide_pointer<'tcx>(
ne,
deref_left,
deref_right,
l_modifiers,
r_modifiers,
left,
middle,
right,
@@ -751,6 +771,8 @@ fn lint_wide_pointer<'tcx>(
AmbiguousWidePointerComparisonsAddrSuggestion::Cast {
deref_left,
deref_right,
l_modifiers,
r_modifiers,
paren_left: if l_ty_refs != 0 { ")" } else { "" },
paren_right: if r_ty_refs != 0 { ")" } else { "" },
left_before: (l_ty_refs != 0).then_some(l_span.shrink_to_lo()),

12
tests/ui/lint/wide_pointer_comparisons.rs
View File

@@ -3,6 +3,7 @@
use std::rc::Rc;
use std::sync::Arc;
use std::cmp::PartialEq;
use std::ptr::NonNull;
struct A;
struct B;
@@ -50,6 +51,17 @@ fn main() {
let _ = a.gt(&b);
//~^ WARN ambiguous wide pointer comparison
{
let a = NonNull::<dyn T>::new(a as *mut _).unwrap();
let b = NonNull::<dyn T>::new(b as *mut _).unwrap();
let _ = a == b;
//~^ WARN ambiguous wide pointer comparison
let _ = a >= b;
//~^ WARN ambiguous wide pointer comparison
let _ = &a == &b;
//~^ WARN ambiguous wide pointer comparison
}
{
// &*const ?Sized
let a = &a;

135
tests/ui/lint/wide_pointer_comparisons.stderr
View File

@@ -1,5 +1,5 @@
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:19:13
--> $DIR/wide_pointer_comparisons.rs:20:13
|
LL | let _ = a == b;
| ^^^^^^
@@ -11,7 +11,7 @@ LL | let _ = std::ptr::addr_eq(a, b);
| ++++++++++++++++++ ~ +
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:21:13
--> $DIR/wide_pointer_comparisons.rs:22:13
|
LL | let _ = a != b;
| ^^^^^^
@@ -22,7 +22,7 @@ LL | let _ = !std::ptr::addr_eq(a, b);
| +++++++++++++++++++ ~ +
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:23:13
--> $DIR/wide_pointer_comparisons.rs:24:13
|
LL | let _ = a < b;
| ^^^^^
@@ -33,7 +33,7 @@ LL | let _ = a.cast::<()>() < b.cast::<()>();
| +++++++++++++ +++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:25:13
--> $DIR/wide_pointer_comparisons.rs:26:13
|
LL | let _ = a <= b;
| ^^^^^^
@@ -44,7 +44,7 @@ LL | let _ = a.cast::<()>() <= b.cast::<()>();
| +++++++++++++ +++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:27:13
--> $DIR/wide_pointer_comparisons.rs:28:13
|
LL | let _ = a > b;
| ^^^^^
@@ -55,7 +55,7 @@ LL | let _ = a.cast::<()>() > b.cast::<()>();
| +++++++++++++ +++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:29:13
--> $DIR/wide_pointer_comparisons.rs:30:13
|
LL | let _ = a >= b;
| ^^^^^^
@@ -66,7 +66,7 @@ LL | let _ = a.cast::<()>() >= b.cast::<()>();
| +++++++++++++ +++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:32:13
--> $DIR/wide_pointer_comparisons.rs:33:13
|
LL | let _ = PartialEq::eq(&a, &b);
| ^^^^^^^^^^^^^^^^^^^^^
@@ -77,7 +77,7 @@ LL | let _ = std::ptr::addr_eq(a, b);
| ~~~~~~~~~~~~~~~~~~ ~ ~
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:34:13
--> $DIR/wide_pointer_comparisons.rs:35:13
|
LL | let _ = PartialEq::ne(&a, &b);
| ^^^^^^^^^^^^^^^^^^^^^
@@ -88,7 +88,7 @@ LL | let _ = !std::ptr::addr_eq(a, b);
| ~~~~~~~~~~~~~~~~~~~ ~ ~
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:36:13
--> $DIR/wide_pointer_comparisons.rs:37:13
|
LL | let _ = a.eq(&b);
| ^^^^^^^^
@@ -99,7 +99,7 @@ LL | let _ = std::ptr::addr_eq(a, b);
| ++++++++++++++++++ ~ ~
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:38:13
--> $DIR/wide_pointer_comparisons.rs:39:13
|
LL | let _ = a.ne(&b);
| ^^^^^^^^
@@ -110,7 +110,7 @@ LL | let _ = !std::ptr::addr_eq(a, b);
| +++++++++++++++++++ ~ ~
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:40:13
--> $DIR/wide_pointer_comparisons.rs:41:13
|
LL | let _ = a.cmp(&b);
| ^^^^^^^^^
@@ -121,7 +121,7 @@ LL | let _ = a.cast::<()>().cmp(&b.cast::<()>());
| +++++++++++++ +++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:42:13
--> $DIR/wide_pointer_comparisons.rs:43:13
|
LL | let _ = a.partial_cmp(&b);
| ^^^^^^^^^^^^^^^^^
@@ -132,7 +132,7 @@ LL | let _ = a.cast::<()>().partial_cmp(&b.cast::<()>());
| +++++++++++++ +++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:44:13
--> $DIR/wide_pointer_comparisons.rs:45:13
|
LL | let _ = a.le(&b);
| ^^^^^^^^
@@ -143,7 +143,7 @@ LL | let _ = a.cast::<()>().le(&b.cast::<()>());
| +++++++++++++ +++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:46:13
--> $DIR/wide_pointer_comparisons.rs:47:13
|
LL | let _ = a.lt(&b);
| ^^^^^^^^
@@ -154,7 +154,7 @@ LL | let _ = a.cast::<()>().lt(&b.cast::<()>());
| +++++++++++++ +++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:48:13
--> $DIR/wide_pointer_comparisons.rs:49:13
|
LL | let _ = a.ge(&b);
| ^^^^^^^^
@@ -165,7 +165,7 @@ LL | let _ = a.cast::<()>().ge(&b.cast::<()>());
| +++++++++++++ +++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:50:13
--> $DIR/wide_pointer_comparisons.rs:51:13
|
LL | let _ = a.gt(&b);
| ^^^^^^^^
@@ -176,7 +176,40 @@ LL | let _ = a.cast::<()>().gt(&b.cast::<()>());
| +++++++++++++ +++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:58:17
--> $DIR/wide_pointer_comparisons.rs:57:17
|
LL | let _ = a == b;
| ^^^^^^
|
help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
|
LL | let _ = std::ptr::addr_eq(a.as_ptr(), b.as_ptr());
| ++++++++++++++++++ ~~~~~~~~~~ ++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:59:17
|
LL | let _ = a >= b;
| ^^^^^^
|
help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
|
LL | let _ = a.as_ptr().cast::<()>() >= b.as_ptr().cast::<()>();
| ++++++++++++++++++++++ ++++++++++++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:61:17
|
LL | let _ = &a == &b;
| ^^^^^^^^
|
help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
|
LL | let _ = std::ptr::addr_eq(a.as_ptr(), b.as_ptr());
| ~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~ ++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:70:17
|
LL | let _ = a == b;
| ^^^^^^
@@ -187,7 +220,7 @@ LL | let _ = std::ptr::addr_eq(*a, *b);
| +++++++++++++++++++ ~~~ +
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:60:17
--> $DIR/wide_pointer_comparisons.rs:72:17
|
LL | let _ = a != b;
| ^^^^^^
@@ -198,7 +231,7 @@ LL | let _ = !std::ptr::addr_eq(*a, *b);
| ++++++++++++++++++++ ~~~ +
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:62:17
--> $DIR/wide_pointer_comparisons.rs:74:17
|
LL | let _ = a < b;
| ^^^^^
@@ -209,7 +242,7 @@ LL | let _ = (*a).cast::<()>() < (*b).cast::<()>();
| ++ ++++++++++++++ ++ ++++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:64:17
--> $DIR/wide_pointer_comparisons.rs:76:17
|
LL | let _ = a <= b;
| ^^^^^^
@@ -220,7 +253,7 @@ LL | let _ = (*a).cast::<()>() <= (*b).cast::<()>();
| ++ ++++++++++++++ ++ ++++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:66:17
--> $DIR/wide_pointer_comparisons.rs:78:17
|
LL | let _ = a > b;
| ^^^^^
@@ -231,7 +264,7 @@ LL | let _ = (*a).cast::<()>() > (*b).cast::<()>();
| ++ ++++++++++++++ ++ ++++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:68:17
--> $DIR/wide_pointer_comparisons.rs:80:17
|
LL | let _ = a >= b;
| ^^^^^^
@@ -242,7 +275,7 @@ LL | let _ = (*a).cast::<()>() >= (*b).cast::<()>();
| ++ ++++++++++++++ ++ ++++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:71:17
--> $DIR/wide_pointer_comparisons.rs:83:17
|
LL | let _ = PartialEq::eq(a, b);
| ^^^^^^^^^^^^^^^^^^^
@@ -253,7 +286,7 @@ LL | let _ = std::ptr::addr_eq(*a, *b);
| ~~~~~~~~~~~~~~~~~~~ ~~~ ~
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:73:17
--> $DIR/wide_pointer_comparisons.rs:85:17
|
LL | let _ = PartialEq::ne(a, b);
| ^^^^^^^^^^^^^^^^^^^
@@ -264,7 +297,7 @@ LL | let _ = !std::ptr::addr_eq(*a, *b);
| ~~~~~~~~~~~~~~~~~~~~ ~~~ ~
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:75:17
--> $DIR/wide_pointer_comparisons.rs:87:17
|
LL | let _ = PartialEq::eq(&a, &b);
| ^^^^^^^^^^^^^^^^^^^^^
@@ -275,7 +308,7 @@ LL | let _ = std::ptr::addr_eq(*a, *b);
| ~~~~~~~~~~~~~~~~~~~ ~~~ ~
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:77:17
--> $DIR/wide_pointer_comparisons.rs:89:17
|
LL | let _ = PartialEq::ne(&a, &b);
| ^^^^^^^^^^^^^^^^^^^^^
@@ -286,7 +319,7 @@ LL | let _ = !std::ptr::addr_eq(*a, *b);
| ~~~~~~~~~~~~~~~~~~~~ ~~~ ~
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:79:17
--> $DIR/wide_pointer_comparisons.rs:91:17
|
LL | let _ = a.eq(b);
| ^^^^^^^
@@ -297,7 +330,7 @@ LL | let _ = std::ptr::addr_eq(*a, *b);
| +++++++++++++++++++ ~~~ ~
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:81:17
--> $DIR/wide_pointer_comparisons.rs:93:17
|
LL | let _ = a.ne(b);
| ^^^^^^^
@@ -308,7 +341,7 @@ LL | let _ = !std::ptr::addr_eq(*a, *b);
| ++++++++++++++++++++ ~~~ ~
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:83:17
--> $DIR/wide_pointer_comparisons.rs:95:17
|
LL | let _ = a.cmp(&b);
| ^^^^^^^^^
@@ -319,7 +352,7 @@ LL | let _ = (*a).cast::<()>().cmp(&(*b).cast::<()>());
| ++ ++++++++++++++ ++ ++++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:85:17
--> $DIR/wide_pointer_comparisons.rs:97:17
|
LL | let _ = a.partial_cmp(&b);
| ^^^^^^^^^^^^^^^^^
@@ -330,7 +363,7 @@ LL | let _ = (*a).cast::<()>().partial_cmp(&(*b).cast::<()>());
| ++ ++++++++++++++ ++ ++++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:87:17
--> $DIR/wide_pointer_comparisons.rs:99:17
|
LL | let _ = a.le(&b);
| ^^^^^^^^
@@ -341,7 +374,7 @@ LL | let _ = (*a).cast::<()>().le(&(*b).cast::<()>());
| ++ ++++++++++++++ ++ ++++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:89:17
--> $DIR/wide_pointer_comparisons.rs:101:17
|
LL | let _ = a.lt(&b);
| ^^^^^^^^
@@ -352,7 +385,7 @@ LL | let _ = (*a).cast::<()>().lt(&(*b).cast::<()>());
| ++ ++++++++++++++ ++ ++++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:91:17
--> $DIR/wide_pointer_comparisons.rs:103:17
|
LL | let _ = a.ge(&b);
| ^^^^^^^^
@@ -363,7 +396,7 @@ LL | let _ = (*a).cast::<()>().ge(&(*b).cast::<()>());
| ++ ++++++++++++++ ++ ++++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:93:17
--> $DIR/wide_pointer_comparisons.rs:105:17
|
LL | let _ = a.gt(&b);
| ^^^^^^^^
@@ -374,7 +407,7 @@ LL | let _ = (*a).cast::<()>().gt(&(*b).cast::<()>());
| ++ ++++++++++++++ ++ ++++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:98:13
--> $DIR/wide_pointer_comparisons.rs:110:13
|
LL | let _ = s == s;
| ^^^^^^
@@ -389,7 +422,7 @@ LL | let _ = std::ptr::eq(s, s);
| +++++++++++++ ~ +
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:102:13
--> $DIR/wide_pointer_comparisons.rs:114:13
|
LL | let _ = s == s;
| ^^^^^^
@@ -404,7 +437,7 @@ LL | let _ = std::ptr::eq(s, s);
| +++++++++++++ ~ +
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:106:17
--> $DIR/wide_pointer_comparisons.rs:118:17
|
LL | let _ = a == b;
| ^^^^^^
@@ -419,7 +452,7 @@ LL | let _ = std::ptr::eq(a, b);
| +++++++++++++ ~ +
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:108:17
--> $DIR/wide_pointer_comparisons.rs:120:17
|
LL | let _ = a != b;
| ^^^^^^
@@ -434,7 +467,7 @@ LL | let _ = !std::ptr::eq(a, b);
| ++++++++++++++ ~ +
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:110:17
--> $DIR/wide_pointer_comparisons.rs:122:17
|
LL | let _ = a < b;
| ^^^^^
@@ -445,7 +478,7 @@ LL | let _ = a.cast::<()>() < b.cast::<()>();
| +++++++++++++ +++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:112:17
--> $DIR/wide_pointer_comparisons.rs:124:17
|
LL | let _ = a <= b;
| ^^^^^^
@@ -456,7 +489,7 @@ LL | let _ = a.cast::<()>() <= b.cast::<()>();
| +++++++++++++ +++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:114:17
--> $DIR/wide_pointer_comparisons.rs:126:17
|
LL | let _ = a > b;
| ^^^^^
@@ -467,7 +500,7 @@ LL | let _ = a.cast::<()>() > b.cast::<()>();
| +++++++++++++ +++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:116:17
--> $DIR/wide_pointer_comparisons.rs:128:17
|
LL | let _ = a >= b;
| ^^^^^^
@@ -478,7 +511,7 @@ LL | let _ = a.cast::<()>() >= b.cast::<()>();
| +++++++++++++ +++++++++++++
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:119:17
--> $DIR/wide_pointer_comparisons.rs:131:17
|
LL | let _ = PartialEq::eq(&a, &b);
| ^^^^^^^^^^^^^^^^^^^^^
@@ -493,7 +526,7 @@ LL | let _ = std::ptr::eq(a, b);
| ~~~~~~~~~~~~~ ~ ~
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:121:17
--> $DIR/wide_pointer_comparisons.rs:133:17
|
LL | let _ = PartialEq::ne(&a, &b);
| ^^^^^^^^^^^^^^^^^^^^^
@@ -508,7 +541,7 @@ LL | let _ = !std::ptr::eq(a, b);
| ~~~~~~~~~~~~~~ ~ ~
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:123:17
--> $DIR/wide_pointer_comparisons.rs:135:17
|
LL | let _ = a.eq(&b);
| ^^^^^^^^
@@ -523,7 +556,7 @@ LL | let _ = std::ptr::eq(a, b);
| +++++++++++++ ~ ~
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:125:17
--> $DIR/wide_pointer_comparisons.rs:137:17
|
LL | let _ = a.ne(&b);
| ^^^^^^^^
@@ -538,7 +571,7 @@ LL | let _ = !std::ptr::eq(a, b);
| ++++++++++++++ ~ ~
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:130:9
--> $DIR/wide_pointer_comparisons.rs:142:9
|
LL | &*a == &*b
| ^^^^^^^^^^
@@ -553,7 +586,7 @@ LL | std::ptr::eq(*a, *b)
| ~~~~~~~~~~~~~ ~ +
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:141:14
--> $DIR/wide_pointer_comparisons.rs:153:14
|
LL | cmp!(a, b);
| ^^^^
@@ -564,7 +597,7 @@ LL | cmp!(std::ptr::addr_eq(a, b));
| ++++++++++++++++++ ~ +
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:147:39
--> $DIR/wide_pointer_comparisons.rs:159:39
|
LL | ($a:ident, $b:ident) => { $a == $b }
| ^^^^^^^^
@@ -579,7 +612,7 @@ LL | ($a:ident, $b:ident) => { std::ptr::addr_eq($a, $b) }
| ++++++++++++++++++ ~ +
warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
--> $DIR/wide_pointer_comparisons.rs:157:37
--> $DIR/wide_pointer_comparisons.rs:169:37
|
LL | ($a:expr, $b:expr) => { $a == $b }
| ^^
@@ -591,5 +624,5 @@ LL | cmp!(&a, &b);
= help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
= note: this warning originates in the macro `cmp` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: 50 warnings emitted
warning: 53 warnings emitted