Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1

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

1 files changed, 91 insertions, 0 deletions

diff --git a/src/tools/clippy/tests/ui/only_used_in_recursion2.rs b/src/tools/clippy/tests/ui/only_used_in_recursion2.rs
new file mode 100644
index 000000000..45dd0553f
--- /dev/null
+++ b/src/tools/clippy/tests/ui/only_used_in_recursion2.rs
@@ -0,0 +1,91 @@
+#![warn(clippy::only_used_in_recursion)]
+
+fn _with_inner(flag: u32, a: u32, b: u32) -> usize {
+    fn inner(flag: u32, a: u32) -> u32 {
+        if flag == 0 { 0 } else { inner(flag, a) }
+    }
+
+    let x = inner(flag, a);
+    if flag == 0 { 0 } else { _with_inner(flag, a, b + x) }
+}
+
+fn _with_closure(a: Option<u32>, b: u32, f: impl Fn(u32, u32) -> Option<u32>) -> u32 {
+    if let Some(x) = a.and_then(|x| f(x, x)) {
+        _with_closure(Some(x), b, f)
+    } else {
+        0
+    }
+}
+
+// Issue #8560
+trait D {
+    fn foo(&mut self, arg: u32) -> u32;
+}
+
+mod m {
+    pub struct S(u32);
+    impl S {
+        pub fn foo(&mut self, arg: u32) -> u32 {
+            arg + self.0
+        }
+    }
+}
+
+impl D for m::S {
+    fn foo(&mut self, arg: u32) -> u32 {
+        self.foo(arg)
+    }
+}
+
+// Issue #8782
+fn only_let(x: u32) {
+    let y = 10u32;
+    let _z = x * y;
+}
+
+trait E<T: E<()>> {
+    fn method(flag: u32, a: usize) -> usize {
+        if flag == 0 {
+            0
+        } else {
+            <T as E<()>>::method(flag - 1, a)
+        }
+    }
+}
+
+impl E<()> for () {
+    fn method(flag: u32, a: usize) -> usize {
+        if flag == 0 { 0 } else { a }
+    }
+}
+
+fn overwritten_param(flag: u32, mut a: usize) -> usize {
+    if flag == 0 {
+        return 0;
+    } else if flag > 5 {
+        a += flag as usize;
+    } else {
+        a = 5;
+    }
+    overwritten_param(flag, a)
+}
+
+fn field_direct(flag: u32, mut a: (usize,)) -> usize {
+    if flag == 0 {
+        0
+    } else {
+        a.0 += 5;
+        field_direct(flag - 1, a)
+    }
+}
+
+fn field_deref(flag: u32, a: &mut Box<(usize,)>) -> usize {
+    if flag == 0 {
+        0
+    } else {
+        a.0 += 5;
+        field_deref(flag - 1, a)
+    }
+}
+
+fn main() {}