1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/numeric/len.stderr b/src/test/ui/numeric/len.stderr
new file mode 100644
index 000000000..55a61b5e4
--- /dev/null
+++ b/src/test/ui/numeric/len.stderr
@@ -0,0 +1,21 @@
+error[E0308]: mismatched types
+  --> $DIR/len.rs:3:10
+   |
+LL |     test(array.len());
+   |     ---- ^^^^^^^^^^^ expected `u32`, found `usize`
+   |     |
+   |     arguments to this function are incorrect
+   |
+note: function defined here
+  --> $DIR/len.rs:6:4
+   |
+LL | fn test(length: u32) {
+   |    ^^^^ -----------
+help: you can convert a `usize` to a `u32` and panic if the converted value doesn't fit
+   |
+LL |     test(array.len().try_into().unwrap());
+   |                     ++++++++++++++++++++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0308`.