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Add regression test for issue 90320
1 parent 6a207f2 commit 6ad626f

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4 files changed

+75
-2
lines changed

4 files changed

+75
-2
lines changed

‎src/test/ui/inference/auxiliary/inference_unstable_iterator.rs

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Original file line numberDiff line numberDiff line change
@@ -1,4 +1,5 @@
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#![feature(staged_api)]
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#![feature(arbitrary_self_types)]
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#![stable(feature = "ipu_iterator", since = "1.0.0")]
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@@ -8,6 +9,22 @@ pub trait IpuIterator {
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fn ipu_flatten(&self) -> u32 {
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0
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}
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#[unstable(feature = "ipu_flatten", issue = "99999")]
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fn ipu_by_value_vs_by_ref(self) -> u32 where Self: Sized {
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0
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}
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#[unstable(feature = "ipu_flatten", issue = "99999")]
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fn ipu_by_ref_vs_by_ref_mut(&self) -> u32 {
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0
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}
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#[unstable(feature = "ipu_flatten", issue = "99999")]
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fn ipu_by_mut_ptr_vs_by_const_ptr(self: *mut Self) -> u32 {
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0
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}
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#[unstable(feature = "assoc_const_ipu_iter", issue = "99999")]
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const C: i32;
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}

‎src/test/ui/inference/auxiliary/inference_unstable_itertools.rs

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Original file line numberDiff line numberDiff line change
@@ -1,8 +1,22 @@
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#![feature(arbitrary_self_types)]
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pub trait IpuItertools {
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fn ipu_flatten(&self) -> u32 {
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1
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}
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fn ipu_by_value_vs_by_ref(&self) -> u32 {
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1
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}
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fn ipu_by_ref_vs_by_ref_mut(&mut self) -> u32 {
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1
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}
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fn ipu_by_mut_ptr_vs_by_const_ptr(self: *const Self) -> u32 {
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1
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}
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const C: i32;
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}
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‎src/test/ui/inference/inference_unstable.rs

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Original file line numberDiff line numberDiff line change
@@ -15,6 +15,15 @@ use inference_unstable_itertools::IpuItertools;
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fn main() {
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assert_eq!('x'.ipu_flatten(), 1);
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//~^ WARN an associated function with this name may be added to the standard library in the future
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//~| WARN once this associated item is added to the standard library, the ambiguity may cause an
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assert_eq!('x'.ipu_by_value_vs_by_ref(), 1);
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//~^ WARN an associated function with this name may be added to the standard library in the future
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//~| WARN once this associated item is added to the standard library, the ambiguity may cause an
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assert_eq!('x'.ipu_by_ref_vs_by_ref_mut(), 1);
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//~^ WARN an associated function with this name may be added to the standard library in the future
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//~| WARN once this associated item is added to the standard library, the ambiguity may cause an
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assert_eq!((&mut 'x' as *mut char).ipu_by_mut_ptr_vs_by_const_ptr(), 1);
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//~^ WARN an associated function with this name may be added to the standard library in the future
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//~| WARN once this associated item is added to the standard library, the ambiguity may cause an
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assert_eq!(char::C, 1);
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//~^ WARN an associated constant with this name may be added to the standard library in the future

‎src/test/ui/inference/inference_unstable.stderr

+35-2
Original file line numberDiff line numberDiff line change
@@ -10,8 +10,41 @@ LL | assert_eq!('x'.ipu_flatten(), 1);
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= help: call with fully qualified syntax `inference_unstable_itertools::IpuItertools::ipu_flatten(...)` to keep using the current method
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= help: add `#![feature(ipu_flatten)]` to the crate attributes to enable `inference_unstable_iterator::IpuIterator::ipu_flatten`
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warning: an associated function with this name may be added to the standard library in the future
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--> $DIR/inference_unstable.rs:19:20
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|
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LL | assert_eq!('x'.ipu_by_value_vs_by_ref(), 1);
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| ^^^^^^^^^^^^^^^^^^^^^^
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|
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= warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
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= note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
21+
= help: call with fully qualified syntax `inference_unstable_itertools::IpuItertools::ipu_by_value_vs_by_ref(...)` to keep using the current method
22+
= help: add `#![feature(ipu_flatten)]` to the crate attributes to enable `inference_unstable_iterator::IpuIterator::ipu_by_value_vs_by_ref`
23+
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warning: an associated function with this name may be added to the standard library in the future
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--> $DIR/inference_unstable.rs:22:20
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|
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LL | assert_eq!('x'.ipu_by_ref_vs_by_ref_mut(), 1);
28+
| ^^^^^^^^^^^^^^^^^^^^^^^^
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|
30+
= warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
31+
= note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
32+
= help: call with fully qualified syntax `inference_unstable_itertools::IpuItertools::ipu_by_ref_vs_by_ref_mut(...)` to keep using the current method
33+
= help: add `#![feature(ipu_flatten)]` to the crate attributes to enable `inference_unstable_iterator::IpuIterator::ipu_by_ref_vs_by_ref_mut`
34+
35+
warning: an associated function with this name may be added to the standard library in the future
36+
--> $DIR/inference_unstable.rs:25:40
37+
|
38+
LL | assert_eq!((&mut 'x' as *mut char).ipu_by_mut_ptr_vs_by_const_ptr(), 1);
39+
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
40+
|
41+
= warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
42+
= note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
43+
= help: call with fully qualified syntax `inference_unstable_itertools::IpuItertools::ipu_by_mut_ptr_vs_by_const_ptr(...)` to keep using the current method
44+
= help: add `#![feature(ipu_flatten)]` to the crate attributes to enable `inference_unstable_iterator::IpuIterator::ipu_by_mut_ptr_vs_by_const_ptr`
45+
1346
warning: an associated constant with this name may be added to the standard library in the future
14-
--> $DIR/inference_unstable.rs:19:16
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--> $DIR/inference_unstable.rs:28:16
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|
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LL | assert_eq!(char::C, 1);
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| ^^^^^^^ help: use the fully qualified path to the associated const: `<char as IpuItertools>::C`
@@ -20,5 +53,5 @@ LL | assert_eq!(char::C, 1);
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= note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
2154
= help: add `#![feature(assoc_const_ipu_iter)]` to the crate attributes to enable `inference_unstable_iterator::IpuIterator::C`
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23-
warning: 2 warnings emitted
56+
warning: 5 warnings emitted
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