Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 42 insertions, 0 deletions

diff --git a/src/test/ui/mismatched_types/issue-36053-2.stderr b/src/test/ui/mismatched_types/issue-36053-2.stderr
new file mode 100644
index 000000000..b11ea97d1
--- /dev/null
+++ b/src/test/ui/mismatched_types/issue-36053-2.stderr
@@ -0,0 +1,42 @@
+error[E0631]: type mismatch in closure arguments
+  --> $DIR/issue-36053-2.rs:7:32
+   |
+LL |     once::<&str>("str").fuse().filter(|a: &str| true).count();
+   |                                ^^^^^^ --------- found signature defined here
+   |                                |
+   |                                expected due to this
+   |
+   = note: expected closure signature `for<'r> fn(&'r &str) -> _`
+              found closure signature `for<'r> fn(&'r str) -> _`
+note: required by a bound in `filter`
+  --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
+   |
+LL |         P: FnMut(&Self::Item) -> bool,
+   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `filter`
+
+error[E0599]: the method `count` exists for struct `Filter<Fuse<std::iter::Once<&str>>, [closure@$DIR/issue-36053-2.rs:7:39: 7:48]>`, but its trait bounds were not satisfied
+  --> $DIR/issue-36053-2.rs:7:55
+   |
+LL |     once::<&str>("str").fuse().filter(|a: &str| true).count();
+   |                                       ---------       ^^^^^ method cannot be called on `Filter<Fuse<std::iter::Once<&str>>, [closure@$DIR/issue-36053-2.rs:7:39: 7:48]>` due to unsatisfied trait bounds
+   |                                       |
+   |                                       doesn't satisfy `<_ as FnOnce<(&&str,)>>::Output = bool`
+   |                                       doesn't satisfy `_: FnMut<(&&str,)>`
+   |
+  ::: $SRC_DIR/core/src/iter/adapters/filter.rs:LL:COL
+   |
+LL | pub struct Filter<I, P> {
+   | ----------------------- doesn't satisfy `_: Iterator`
+   |
+   = note: the following trait bounds were not satisfied:
+           `<[closure@$DIR/issue-36053-2.rs:7:39: 7:48] as FnOnce<(&&str,)>>::Output = bool`
+           which is required by `Filter<Fuse<std::iter::Once<&str>>, [closure@$DIR/issue-36053-2.rs:7:39: 7:48]>: Iterator`
+           `[closure@$DIR/issue-36053-2.rs:7:39: 7:48]: FnMut<(&&str,)>`
+           which is required by `Filter<Fuse<std::iter::Once<&str>>, [closure@$DIR/issue-36053-2.rs:7:39: 7:48]>: Iterator`
+           `Filter<Fuse<std::iter::Once<&str>>, [closure@$DIR/issue-36053-2.rs:7:39: 7:48]>: Iterator`
+           which is required by `&mut Filter<Fuse<std::iter::Once<&str>>, [closure@$DIR/issue-36053-2.rs:7:39: 7:48]>: Iterator`
+
+error: aborting due to 2 previous errors
+
+Some errors have detailed explanations: E0599, E0631.
+For more information about an error, try `rustc --explain E0599`.