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-rw-r--r--tests/ui/inference/array-len-mismatch.rs12
-rw-r--r--tests/ui/inference/array-len-mismatch.stderr21
-rw-r--r--tests/ui/inference/deref-suggestion.stderr6
-rw-r--r--tests/ui/inference/inference_unstable.rs8
-rw-r--r--tests/ui/inference/inference_unstable.stderr8
-rw-r--r--tests/ui/inference/inference_unstable_featured.stderr4
-rw-r--r--tests/ui/inference/issue-107090.rs25
-rw-r--r--tests/ui/inference/issue-107090.stderr84
-rw-r--r--tests/ui/inference/issue-71732.stderr2
-rw-r--r--tests/ui/inference/need_type_info/issue-107745-avoid-expr-from-macro-expansion.rs19
-rw-r--r--tests/ui/inference/need_type_info/issue-107745-avoid-expr-from-macro-expansion.stderr11
-rw-r--r--tests/ui/inference/question-mark-type-infer.stderr2
12 files changed, 187 insertions, 15 deletions
diff --git a/tests/ui/inference/array-len-mismatch.rs b/tests/ui/inference/array-len-mismatch.rs
new file mode 100644
index 000000000..149d06102
--- /dev/null
+++ b/tests/ui/inference/array-len-mismatch.rs
@@ -0,0 +1,12 @@
+fn returns_arr() -> [u8; 2] {
+ [1, 2]
+}
+
+fn main() {
+ let wrong: [u8; 3] = [10, 20];
+ //~^ ERROR mismatched types
+ //~^^ HELP consider specifying the actual array length
+ let wrong: [u8; 3] = returns_arr();
+ //~^ ERROR mismatched types
+ //~^^ HELP consider specifying the actual array length
+}
diff --git a/tests/ui/inference/array-len-mismatch.stderr b/tests/ui/inference/array-len-mismatch.stderr
new file mode 100644
index 000000000..7358e4783
--- /dev/null
+++ b/tests/ui/inference/array-len-mismatch.stderr
@@ -0,0 +1,21 @@
+error[E0308]: mismatched types
+ --> $DIR/array-len-mismatch.rs:6:26
+ |
+LL | let wrong: [u8; 3] = [10, 20];
+ | ------- ^^^^^^^^ expected an array with a fixed size of 3 elements, found one with 2 elements
+ | | |
+ | | help: consider specifying the actual array length: `2`
+ | expected due to this
+
+error[E0308]: mismatched types
+ --> $DIR/array-len-mismatch.rs:9:26
+ |
+LL | let wrong: [u8; 3] = returns_arr();
+ | ------- ^^^^^^^^^^^^^ expected an array with a fixed size of 3 elements, found one with 2 elements
+ | | |
+ | | help: consider specifying the actual array length: `2`
+ | expected due to this
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/inference/deref-suggestion.stderr b/tests/ui/inference/deref-suggestion.stderr
index 3db67cdb5..1626032ae 100644
--- a/tests/ui/inference/deref-suggestion.stderr
+++ b/tests/ui/inference/deref-suggestion.stderr
@@ -4,7 +4,7 @@ error[E0308]: mismatched types
LL | foo(s);
| --- ^- help: try using a conversion method: `.to_string()`
| | |
- | | expected struct `String`, found `&String`
+ | | expected `String`, found `&String`
| arguments to this function are incorrect
|
note: function defined here
@@ -35,7 +35,7 @@ error[E0308]: mismatched types
--> $DIR/deref-suggestion.rs:30:9
|
LL | foo(&"aaa".to_owned());
- | --- ^^^^^^^^^^^^^^^^^ expected struct `String`, found `&String`
+ | --- ^^^^^^^^^^^^^^^^^ expected `String`, found `&String`
| |
| arguments to this function are incorrect
|
@@ -54,7 +54,7 @@ error[E0308]: mismatched types
--> $DIR/deref-suggestion.rs:32:9
|
LL | foo(&mut "aaa".to_owned());
- | --- ^^^^^^^^^^^^^^^^^^^^^ expected struct `String`, found `&mut String`
+ | --- ^^^^^^^^^^^^^^^^^^^^^ expected `String`, found `&mut String`
| |
| arguments to this function are incorrect
|
diff --git a/tests/ui/inference/inference_unstable.rs b/tests/ui/inference/inference_unstable.rs
index daf0cf042..ad7649959 100644
--- a/tests/ui/inference/inference_unstable.rs
+++ b/tests/ui/inference/inference_unstable.rs
@@ -14,16 +14,16 @@ use inference_unstable_itertools::IpuItertools;
fn main() {
assert_eq!('x'.ipu_flatten(), 1);
-//~^ WARN an associated function with this name may be added to the standard library in the future
+//~^ WARN a method with this name may be added to the standard library in the future
//~| WARN once this associated item is added to the standard library, the ambiguity may cause an
assert_eq!('x'.ipu_by_value_vs_by_ref(), 1);
-//~^ WARN an associated function with this name may be added to the standard library in the future
+//~^ WARN a method with this name may be added to the standard library in the future
//~| WARN once this associated item is added to the standard library, the ambiguity may cause an
assert_eq!('x'.ipu_by_ref_vs_by_ref_mut(), 1);
-//~^ WARN an associated function with this name may be added to the standard library in the future
+//~^ WARN a method with this name may be added to the standard library in the future
//~| WARN once this associated item is added to the standard library, the ambiguity may cause an
assert_eq!((&mut 'x' as *mut char).ipu_by_mut_ptr_vs_by_const_ptr(), 1);
-//~^ WARN an associated function with this name may be added to the standard library in the future
+//~^ WARN a method with this name may be added to the standard library in the future
//~| WARN once this associated item is added to the standard library, the ambiguity may cause an
assert_eq!(char::C, 1);
//~^ WARN an associated constant with this name may be added to the standard library in the future
diff --git a/tests/ui/inference/inference_unstable.stderr b/tests/ui/inference/inference_unstable.stderr
index ecbf2641b..c48aaf9f4 100644
--- a/tests/ui/inference/inference_unstable.stderr
+++ b/tests/ui/inference/inference_unstable.stderr
@@ -1,4 +1,4 @@
-warning: an associated function with this name may be added to the standard library in the future
+warning: a method with this name may be added to the standard library in the future
--> $DIR/inference_unstable.rs:16:20
|
LL | assert_eq!('x'.ipu_flatten(), 1);
@@ -10,7 +10,7 @@ LL | assert_eq!('x'.ipu_flatten(), 1);
= help: add `#![feature(ipu_flatten)]` to the crate attributes to enable `inference_unstable_iterator::IpuIterator::ipu_flatten`
= note: `#[warn(unstable_name_collisions)]` on by default
-warning: an associated function with this name may be added to the standard library in the future
+warning: a method with this name may be added to the standard library in the future
--> $DIR/inference_unstable.rs:19:20
|
LL | assert_eq!('x'.ipu_by_value_vs_by_ref(), 1);
@@ -21,7 +21,7 @@ LL | assert_eq!('x'.ipu_by_value_vs_by_ref(), 1);
= help: call with fully qualified syntax `inference_unstable_itertools::IpuItertools::ipu_by_value_vs_by_ref(...)` to keep using the current method
= help: add `#![feature(ipu_flatten)]` to the crate attributes to enable `inference_unstable_iterator::IpuIterator::ipu_by_value_vs_by_ref`
-warning: an associated function with this name may be added to the standard library in the future
+warning: a method with this name may be added to the standard library in the future
--> $DIR/inference_unstable.rs:22:20
|
LL | assert_eq!('x'.ipu_by_ref_vs_by_ref_mut(), 1);
@@ -32,7 +32,7 @@ LL | assert_eq!('x'.ipu_by_ref_vs_by_ref_mut(), 1);
= help: call with fully qualified syntax `inference_unstable_itertools::IpuItertools::ipu_by_ref_vs_by_ref_mut(...)` to keep using the current method
= help: add `#![feature(ipu_flatten)]` to the crate attributes to enable `inference_unstable_iterator::IpuIterator::ipu_by_ref_vs_by_ref_mut`
-warning: an associated function with this name may be added to the standard library in the future
+warning: a method with this name may be added to the standard library in the future
--> $DIR/inference_unstable.rs:25:40
|
LL | assert_eq!((&mut 'x' as *mut char).ipu_by_mut_ptr_vs_by_const_ptr(), 1);
diff --git a/tests/ui/inference/inference_unstable_featured.stderr b/tests/ui/inference/inference_unstable_featured.stderr
index 4ddede29c..dc43abf52 100644
--- a/tests/ui/inference/inference_unstable_featured.stderr
+++ b/tests/ui/inference/inference_unstable_featured.stderr
@@ -6,11 +6,11 @@ LL | assert_eq!('x'.ipu_flatten(), 0);
|
= note: candidate #1 is defined in an impl of the trait `IpuIterator` for the type `char`
= note: candidate #2 is defined in an impl of the trait `IpuItertools` for the type `char`
-help: disambiguate the associated function for candidate #1
+help: disambiguate the method for candidate #1
|
LL | assert_eq!(IpuIterator::ipu_flatten(&'x'), 0);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-help: disambiguate the associated function for candidate #2
+help: disambiguate the method for candidate #2
|
LL | assert_eq!(IpuItertools::ipu_flatten(&'x'), 0);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/tests/ui/inference/issue-107090.rs b/tests/ui/inference/issue-107090.rs
new file mode 100644
index 000000000..a22e12c6d
--- /dev/null
+++ b/tests/ui/inference/issue-107090.rs
@@ -0,0 +1,25 @@
+use std::marker::PhantomData;
+struct Foo<'a, 'b, T>(PhantomData<(&'a (), &'b (), T)>)
+where
+ Foo<'short, 'out, T>: Convert<'a, 'b>;
+ //~^ ERROR use of undeclared lifetime name
+ //~| ERROR use of undeclared lifetime name `'out`
+
+trait Convert<'a, 'b>: Sized {
+ fn cast(&'a self) -> &'b Self;
+}
+impl<'long: 'short, 'short, T> Convert<'long, 'b> for Foo<'short, 'out, T> {
+ //~^ ERROR use of undeclared lifetime name
+ //~^^ ERROR use of undeclared lifetime name `'out`
+ fn cast(&'long self) -> &'short Foo<'short, 'out, T> {
+ //~^ ERROR use of undeclared lifetime name
+ self
+ }
+}
+
+fn badboi<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ Foo<'short, 'out, T>) -> &'out T {
+ //~^ ERROR use of undeclared lifetime name
+ sadness.cast() //~ ERROR mismatched types
+}
+
+fn main() {}
diff --git a/tests/ui/inference/issue-107090.stderr b/tests/ui/inference/issue-107090.stderr
new file mode 100644
index 000000000..6233b629a
--- /dev/null
+++ b/tests/ui/inference/issue-107090.stderr
@@ -0,0 +1,84 @@
+error[E0261]: use of undeclared lifetime name `'short`
+ --> $DIR/issue-107090.rs:4:9
+ |
+LL | Foo<'short, 'out, T>: Convert<'a, 'b>;
+ | ^^^^^^ undeclared lifetime
+ |
+ = note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html
+help: consider making the bound lifetime-generic with a new `'short` lifetime
+ |
+LL | for<'short> Foo<'short, 'out, T>: Convert<'a, 'b>;
+ | +++++++++++
+help: consider introducing lifetime `'short` here
+ |
+LL | struct Foo<'short, 'a, 'b, T>(PhantomData<(&'a (), &'b (), T)>)
+ | +++++++
+
+error[E0261]: use of undeclared lifetime name `'out`
+ --> $DIR/issue-107090.rs:4:17
+ |
+LL | Foo<'short, 'out, T>: Convert<'a, 'b>;
+ | ^^^^ undeclared lifetime
+ |
+help: consider making the bound lifetime-generic with a new `'out` lifetime
+ |
+LL | for<'out> Foo<'short, 'out, T>: Convert<'a, 'b>;
+ | +++++++++
+help: consider introducing lifetime `'out` here
+ |
+LL | struct Foo<'out, 'a, 'b, T>(PhantomData<(&'a (), &'b (), T)>)
+ | +++++
+
+error[E0261]: use of undeclared lifetime name `'b`
+ --> $DIR/issue-107090.rs:11:47
+ |
+LL | impl<'long: 'short, 'short, T> Convert<'long, 'b> for Foo<'short, 'out, T> {
+ | - ^^ undeclared lifetime
+ | |
+ | help: consider introducing lifetime `'b` here: `'b,`
+
+error[E0261]: use of undeclared lifetime name `'out`
+ --> $DIR/issue-107090.rs:11:67
+ |
+LL | impl<'long: 'short, 'short, T> Convert<'long, 'b> for Foo<'short, 'out, T> {
+ | - help: consider introducing lifetime `'out` here: `'out,` ^^^^ undeclared lifetime
+
+error[E0261]: use of undeclared lifetime name `'out`
+ --> $DIR/issue-107090.rs:14:49
+ |
+LL | fn cast(&'long self) -> &'short Foo<'short, 'out, T> {
+ | ^^^^ undeclared lifetime
+ |
+help: consider introducing lifetime `'out` here
+ |
+LL | fn cast<'out>(&'long self) -> &'short Foo<'short, 'out, T> {
+ | ++++++
+help: consider introducing lifetime `'out` here
+ |
+LL | impl<'out, 'long: 'short, 'short, T> Convert<'long, 'b> for Foo<'short, 'out, T> {
+ | +++++
+
+error[E0261]: use of undeclared lifetime name `'short`
+ --> $DIR/issue-107090.rs:20:68
+ |
+LL | fn badboi<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ Foo<'short, 'out, T>) -> &'out T {
+ | - ^^^^^^ undeclared lifetime
+ | |
+ | help: consider introducing lifetime `'short` here: `'short,`
+
+error[E0308]: mismatched types
+ --> $DIR/issue-107090.rs:22:5
+ |
+LL | fn badboi<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ Foo<'short, 'out, T>) -> &'out T {
+ | - this type parameter ------- expected `&'out T` because of return type
+LL |
+LL | sadness.cast()
+ | ^^^^^^^^^^^^^^ expected `&T`, found `&Foo<'_, '_, T>`
+ |
+ = note: expected reference `&'out T`
+ found reference `&Foo<'_, '_, T>`
+
+error: aborting due to 7 previous errors
+
+Some errors have detailed explanations: E0261, E0308.
+For more information about an error, try `rustc --explain E0261`.
diff --git a/tests/ui/inference/issue-71732.stderr b/tests/ui/inference/issue-71732.stderr
index 01b37f2ac..e89e4dca6 100644
--- a/tests/ui/inference/issue-71732.stderr
+++ b/tests/ui/inference/issue-71732.stderr
@@ -4,7 +4,7 @@ error[E0283]: type annotations needed
LL | .get(&"key".into())
| ^^^ ------------- type must be known at this point
| |
- | cannot infer type of the type parameter `Q` declared on the associated function `get`
+ | cannot infer type of the type parameter `Q` declared on the method `get`
|
= note: multiple `impl`s satisfying `String: Borrow<_>` found in the following crates: `alloc`, `core`:
- impl Borrow<str> for String;
diff --git a/tests/ui/inference/need_type_info/issue-107745-avoid-expr-from-macro-expansion.rs b/tests/ui/inference/need_type_info/issue-107745-avoid-expr-from-macro-expansion.rs
new file mode 100644
index 000000000..7f6758f47
--- /dev/null
+++ b/tests/ui/inference/need_type_info/issue-107745-avoid-expr-from-macro-expansion.rs
@@ -0,0 +1,19 @@
+// ignore-tidy-linelength
+
+// Regression test for #107745.
+// Previously need_type_info::update_infer_source will consider expressions originating from
+// macro expressions as candiate "previous sources". This unfortunately can mean that
+// for macros expansions such as `format!()` internal implementation details can leak, such as:
+//
+// ```
+// error[E0282]: type annotations needed
+// --> src/main.rs:2:22
+// |
+//2 | println!("{:?}", []);
+// | ^^ cannot infer type of the type parameter `T` declared on the associated function `new_debug`
+// ```
+
+fn main() {
+ println!("{:?}", []);
+ //~^ ERROR type annotations needed
+}
diff --git a/tests/ui/inference/need_type_info/issue-107745-avoid-expr-from-macro-expansion.stderr b/tests/ui/inference/need_type_info/issue-107745-avoid-expr-from-macro-expansion.stderr
new file mode 100644
index 000000000..464655bbc
--- /dev/null
+++ b/tests/ui/inference/need_type_info/issue-107745-avoid-expr-from-macro-expansion.stderr
@@ -0,0 +1,11 @@
+error[E0282]: type annotations needed
+ --> $DIR/issue-107745-avoid-expr-from-macro-expansion.rs:17:22
+ |
+LL | println!("{:?}", []);
+ | ^^ cannot infer type
+ |
+ = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0282`.
diff --git a/tests/ui/inference/question-mark-type-infer.stderr b/tests/ui/inference/question-mark-type-infer.stderr
index a9cb7e525..7a1e850d1 100644
--- a/tests/ui/inference/question-mark-type-infer.stderr
+++ b/tests/ui/inference/question-mark-type-infer.stderr
@@ -2,7 +2,7 @@ error[E0282]: type annotations needed
--> $DIR/question-mark-type-infer.rs:10:21
|
LL | l.iter().map(f).collect()?
- | ^^^^^^^ cannot infer type of the type parameter `B` declared on the associated function `collect`
+ | ^^^^^^^ cannot infer type of the type parameter `B` declared on the method `collect`
|
help: consider specifying the generic argument
|
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-03 10:34:04 +0000