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, 43 insertions, 0 deletions

diff --git a/src/tools/clippy/tests/ui/erasing_op.rs b/src/tools/clippy/tests/ui/erasing_op.rs
new file mode 100644
index 000000000..ae2fad008
--- /dev/null
+++ b/src/tools/clippy/tests/ui/erasing_op.rs
@@ -0,0 +1,43 @@
+struct Length(u8);
+struct Meter;
+
+impl core::ops::Mul<Meter> for u8 {
+    type Output = Length;
+    fn mul(self, _: Meter) -> Length {
+        Length(self)
+    }
+}
+
+#[derive(Clone, Default, PartialEq, Eq, Hash)]
+struct Vec1 {
+    x: i32,
+}
+
+impl core::ops::Mul<Vec1> for i32 {
+    type Output = Vec1;
+    fn mul(self, mut right: Vec1) -> Vec1 {
+        right.x *= self;
+        right
+    }
+}
+
+impl core::ops::Mul<i32> for Vec1 {
+    type Output = Vec1;
+    fn mul(mut self, right: i32) -> Vec1 {
+        self.x *= right;
+        self
+    }
+}
+
+#[allow(clippy::no_effect)]
+#[warn(clippy::erasing_op)]
+fn main() {
+    let x: u8 = 0;
+
+    x * 0;
+    0 & x;
+    0 / x;
+    0 * Meter; // no error: Output type is different from the non-zero argument
+    0 * Vec1 { x: 5 };
+    Vec1 { x: 5 } * 0;
+}