Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 229 insertions, 0 deletions

diff --git a/tests/ui/inference/issue-72690.stderr b/tests/ui/inference/issue-72690.stderr
new file mode 100644
index 000000000..8eda71ec0
--- /dev/null
+++ b/tests/ui/inference/issue-72690.stderr
@@ -0,0 +1,229 @@
+error[E0283]: type annotations needed
+  --> $DIR/issue-72690.rs:7:5
+   |
+LL |     String::from("x".as_ref());
+   |     ^^^^^^^^^^^^ cannot infer type for reference `&_`
+   |
+   = note: multiple `impl`s satisfying `String: From<&_>` found in the `alloc` crate:
+           - impl<> From<&String> for String;
+           - impl<> From<&str> for String;
+
+error[E0283]: type annotations needed
+  --> $DIR/issue-72690.rs:7:22
+   |
+LL |     String::from("x".as_ref());
+   |                      ^^^^^^
+   |
+   = note: multiple `impl`s satisfying `str: AsRef<_>` found in the following crates: `core`, `std`:
+           - impl AsRef<OsStr> for str;
+           - impl AsRef<Path> for str;
+           - impl AsRef<[u8]> for str;
+           - impl AsRef<str> for str;
+help: try using a fully qualified path to specify the expected types
+   |
+LL |     String::from(<str as AsRef<T>>::as_ref("x"));
+   |                  ++++++++++++++++++++++++++   ~
+
+error[E0282]: type annotations needed
+  --> $DIR/issue-72690.rs:12:6
+   |
+LL |     |x| String::from("x".as_ref());
+   |      ^
+   |
+help: consider giving this closure parameter an explicit type
+   |
+LL |     |x: /* Type */| String::from("x".as_ref());
+   |       ++++++++++++
+
+error[E0283]: type annotations needed
+  --> $DIR/issue-72690.rs:12:26
+   |
+LL |     |x| String::from("x".as_ref());
+   |                          ^^^^^^
+   |
+   = note: multiple `impl`s satisfying `str: AsRef<_>` found in the following crates: `core`, `std`:
+           - impl AsRef<OsStr> for str;
+           - impl AsRef<Path> for str;
+           - impl AsRef<[u8]> for str;
+           - impl AsRef<str> for str;
+help: try using a fully qualified path to specify the expected types
+   |
+LL |     |x| String::from(<str as AsRef<T>>::as_ref("x"));
+   |                      ++++++++++++++++++++++++++   ~
+
+error[E0283]: type annotations needed for `&T`
+  --> $DIR/issue-72690.rs:17:9
+   |
+LL |     let _ = "x".as_ref();
+   |         ^       ------ type must be known at this point
+   |
+   = note: multiple `impl`s satisfying `str: AsRef<_>` found in the following crates: `core`, `std`:
+           - impl AsRef<OsStr> for str;
+           - impl AsRef<Path> for str;
+           - impl AsRef<[u8]> for str;
+           - impl AsRef<str> for str;
+help: consider giving this pattern a type, where the type for type parameter `T` is specified
+   |
+LL |     let _: &T = "x".as_ref();
+   |          ++++
+
+error[E0283]: type annotations needed
+  --> $DIR/issue-72690.rs:21:5
+   |
+LL |     String::from("x".as_ref());
+   |     ^^^^^^^^^^^^ cannot infer type for reference `&_`
+   |
+   = note: multiple `impl`s satisfying `String: From<&_>` found in the `alloc` crate:
+           - impl<> From<&String> for String;
+           - impl<> From<&str> for String;
+
+error[E0283]: type annotations needed
+  --> $DIR/issue-72690.rs:21:22
+   |
+LL |     String::from("x".as_ref());
+   |                      ^^^^^^
+   |
+   = note: multiple `impl`s satisfying `str: AsRef<_>` found in the following crates: `core`, `std`:
+           - impl AsRef<OsStr> for str;
+           - impl AsRef<Path> for str;
+           - impl AsRef<[u8]> for str;
+           - impl AsRef<str> for str;
+help: try using a fully qualified path to specify the expected types
+   |
+LL |     String::from(<str as AsRef<T>>::as_ref("x"));
+   |                  ++++++++++++++++++++++++++   ~
+
+error[E0283]: type annotations needed
+  --> $DIR/issue-72690.rs:28:5
+   |
+LL |     String::from("x".as_ref());
+   |     ^^^^^^^^^^^^ cannot infer type for reference `&_`
+   |
+   = note: multiple `impl`s satisfying `String: From<&_>` found in the `alloc` crate:
+           - impl<> From<&String> for String;
+           - impl<> From<&str> for String;
+
+error[E0283]: type annotations needed
+  --> $DIR/issue-72690.rs:28:22
+   |
+LL |     String::from("x".as_ref());
+   |                      ^^^^^^
+   |
+   = note: multiple `impl`s satisfying `str: AsRef<_>` found in the following crates: `core`, `std`:
+           - impl AsRef<OsStr> for str;
+           - impl AsRef<Path> for str;
+           - impl AsRef<[u8]> for str;
+           - impl AsRef<str> for str;
+help: try using a fully qualified path to specify the expected types
+   |
+LL |     String::from(<str as AsRef<T>>::as_ref("x"));
+   |                  ++++++++++++++++++++++++++   ~
+
+error[E0283]: type annotations needed
+  --> $DIR/issue-72690.rs:37:5
+   |
+LL |     String::from("x".as_ref());
+   |     ^^^^^^^^^^^^ cannot infer type for reference `&_`
+   |
+   = note: multiple `impl`s satisfying `String: From<&_>` found in the `alloc` crate:
+           - impl<> From<&String> for String;
+           - impl<> From<&str> for String;
+
+error[E0283]: type annotations needed
+  --> $DIR/issue-72690.rs:37:22
+   |
+LL |     String::from("x".as_ref());
+   |                      ^^^^^^
+   |
+   = note: multiple `impl`s satisfying `str: AsRef<_>` found in the following crates: `core`, `std`:
+           - impl AsRef<OsStr> for str;
+           - impl AsRef<Path> for str;
+           - impl AsRef<[u8]> for str;
+           - impl AsRef<str> for str;
+help: try using a fully qualified path to specify the expected types
+   |
+LL |     String::from(<str as AsRef<T>>::as_ref("x"));
+   |                  ++++++++++++++++++++++++++   ~
+
+error[E0283]: type annotations needed
+  --> $DIR/issue-72690.rs:46:5
+   |
+LL |     String::from("x".as_ref());
+   |     ^^^^^^^^^^^^ cannot infer type for reference `&_`
+   |
+   = note: multiple `impl`s satisfying `String: From<&_>` found in the `alloc` crate:
+           - impl<> From<&String> for String;
+           - impl<> From<&str> for String;
+
+error[E0283]: type annotations needed
+  --> $DIR/issue-72690.rs:46:22
+   |
+LL |     String::from("x".as_ref());
+   |                      ^^^^^^
+   |
+   = note: multiple `impl`s satisfying `str: AsRef<_>` found in the following crates: `core`, `std`:
+           - impl AsRef<OsStr> for str;
+           - impl AsRef<Path> for str;
+           - impl AsRef<[u8]> for str;
+           - impl AsRef<str> for str;
+help: try using a fully qualified path to specify the expected types
+   |
+LL |     String::from(<str as AsRef<T>>::as_ref("x"));
+   |                  ++++++++++++++++++++++++++   ~
+
+error[E0283]: type annotations needed
+  --> $DIR/issue-72690.rs:53:5
+   |
+LL |     String::from("x".as_ref());
+   |     ^^^^^^^^^^^^ cannot infer type for reference `&_`
+   |
+   = note: multiple `impl`s satisfying `String: From<&_>` found in the `alloc` crate:
+           - impl<> From<&String> for String;
+           - impl<> From<&str> for String;
+
+error[E0283]: type annotations needed
+  --> $DIR/issue-72690.rs:53:22
+   |
+LL |     String::from("x".as_ref());
+   |                      ^^^^^^
+   |
+   = note: multiple `impl`s satisfying `str: AsRef<_>` found in the following crates: `core`, `std`:
+           - impl AsRef<OsStr> for str;
+           - impl AsRef<Path> for str;
+           - impl AsRef<[u8]> for str;
+           - impl AsRef<str> for str;
+help: try using a fully qualified path to specify the expected types
+   |
+LL |     String::from(<str as AsRef<T>>::as_ref("x"));
+   |                  ++++++++++++++++++++++++++   ~
+
+error[E0283]: type annotations needed
+  --> $DIR/issue-72690.rs:62:5
+   |
+LL |     String::from("x".as_ref());
+   |     ^^^^^^^^^^^^ cannot infer type for reference `&_`
+   |
+   = note: multiple `impl`s satisfying `String: From<&_>` found in the `alloc` crate:
+           - impl<> From<&String> for String;
+           - impl<> From<&str> for String;
+
+error[E0283]: type annotations needed
+  --> $DIR/issue-72690.rs:62:22
+   |
+LL |     String::from("x".as_ref());
+   |                      ^^^^^^
+   |
+   = note: multiple `impl`s satisfying `str: AsRef<_>` found in the following crates: `core`, `std`:
+           - impl AsRef<OsStr> for str;
+           - impl AsRef<Path> for str;
+           - impl AsRef<[u8]> for str;
+           - impl AsRef<str> for str;
+help: try using a fully qualified path to specify the expected types
+   |
+LL |     String::from(<str as AsRef<T>>::as_ref("x"));
+   |                  ++++++++++++++++++++++++++   ~
+
+error: aborting due to 17 previous errors
+
+Some errors have detailed explanations: E0282, E0283.
+For more information about an error, try `rustc --explain E0282`.