1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui/suggestions/pattern-slice-vec.rs b/tests/ui/suggestions/pattern-slice-vec.rs
new file mode 100644
index 00000000000..444687c8578
--- /dev/null
+++ b/tests/ui/suggestions/pattern-slice-vec.rs
@@ -0,0 +1,31 @@
+// Regression test for #87017.
+
+// run-rustfix
+
+fn main() {
+    fn foo() -> Vec<i32> { vec![1, 2, 3] }
+
+    if let [_, _, _] = foo() {}
+    //~^ ERROR: expected an array or slice
+    //~| HELP: consider slicing here
+
+    if let [] = &foo() {}
+    //~^ ERROR: expected an array or slice
+    //~| HELP: consider slicing here
+
+    if let [] = foo() {}
+    //~^ ERROR: expected an array or slice
+    //~| HELP: consider slicing here
+
+    let v = vec![];
+    match &v {
+    //~^ HELP: consider slicing here
+        [5] => {}
+        //~^ ERROR: expected an array or slice
+        _ => {}
+    }
+
+    let [..] = vec![1, 2, 3];
+    //~^ ERROR: expected an array or slice
+    //~| HELP: consider slicing here
+}