1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/iterators/collect-into-slice.rs b/tests/ui/iterators/collect-into-slice.rs
new file mode 100644
index 00000000000..5a8aacb1a6d
--- /dev/null
+++ b/tests/ui/iterators/collect-into-slice.rs
@@ -0,0 +1,17 @@
+fn process_slice(data: &[i32]) {
+    todo!()
+}
+
+fn main() {
+    let some_generated_vec = (0..10).collect();
+    //~^ ERROR the size for values of type `[i32]` cannot be known at compilation time
+    //~| ERROR the size for values of type `[i32]` cannot be known at compilation time
+    //~| ERROR a slice of type `[i32]` cannot be built since `[i32]` has no definite size
+    //~| NOTE try explicitly collecting into a `Vec<{integer}>`
+    //~| NOTE required by a bound in `collect`
+    //~| NOTE required by a bound in `collect`
+    //~| NOTE all local variables must have a statically known size
+    //~| NOTE doesn't have a size known at compile-time
+    //~| NOTE doesn't have a size known at compile-time
+    process_slice(&some_generated_vec);
+}