Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 30 insertions, 0 deletions

diff --git a/tests/ui/inference/infer-binary-operand-behind-reference.rs b/tests/ui/inference/infer-binary-operand-behind-reference.rs
new file mode 100644
index 000000000..0c0a3171e
--- /dev/null
+++ b/tests/ui/inference/infer-binary-operand-behind-reference.rs
@@ -0,0 +1,30 @@
+// check-pass
+
+fn main() {
+    // Test that we can infer the type of binary operands when
+    // references are involved, on various types and operators.
+    let _: u8 = 0 + 0;
+    let _: u8 = 0 + &0;
+    let _: u8 = &0 + 0;
+    let _: u8 = &0 + &0;
+
+    let _: f32 = 0.0 + 0.0;
+    let _: f32 = 0.0 + &0.0;
+    let _: f32 = &0.0 + 0.0;
+    let _: f32 = &0.0 + &0.0;
+
+    let _: u8 = 0 << 0;
+    let _: u8 = 0 << &0;
+    let _: u8 = &0 << 0;
+    let _: u8 = &0 << &0;
+
+    // Test type inference when variable types are indirectly inferred.
+    let a = 22;
+    let _: usize = a + &44;
+
+    // When we have no expected type, the types of the operands is the default type.
+    let _ = 0 + 0;
+    let _ = 0 + &0;
+    let _ = &0 + 0;
+    let _ = &0 + &0;
+}