1 files changed, 43 insertions, 0 deletions
diff --git a/src/test/ui/range/issue-54505.rs b/src/test/ui/range/issue-54505.rs
new file mode 100644
index 000000000..03673252d
--- /dev/null
+++ b/src/test/ui/range/issue-54505.rs
@@ -0,0 +1,43 @@
+// run-rustfix
+
+// Regression test for #54505 - range borrowing suggestion had
+// incorrect syntax (missing parentheses).
+
+use std::ops::RangeBounds;
+
+
+// take a reference to any built-in range
+fn take_range(_r: &impl RangeBounds<i8>) {}
+
+
+fn main() {
+    take_range(0..1);
+    //~^ ERROR mismatched types [E0308]
+    //~| HELP consider borrowing here
+    //~| SUGGESTION &(0..1)
+
+    take_range(1..);
+    //~^ ERROR mismatched types [E0308]
+    //~| HELP consider borrowing here
+    //~| SUGGESTION &(1..)
+
+    take_range(..);
+    //~^ ERROR mismatched types [E0308]
+    //~| HELP consider borrowing here
+    //~| SUGGESTION &(..)
+
+    take_range(0..=1);
+    //~^ ERROR mismatched types [E0308]
+    //~| HELP consider borrowing here
+    //~| SUGGESTION &(0..=1)
+
+    take_range(..5);
+    //~^ ERROR mismatched types [E0308]
+    //~| HELP consider borrowing here
+    //~| SUGGESTION &(..5)
+
+    take_range(..=42);
+    //~^ ERROR mismatched types [E0308]
+    //~| HELP consider borrowing here
+    //~| SUGGESTION &(..=42)
+}