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diff --git a/src/test/ui/error-codes/E0005.stderr b/src/test/ui/error-codes/E0005.stderr
new file mode 100644
index 000000000..f01a77bd3
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+++ b/src/test/ui/error-codes/E0005.stderr
@@ -0,0 +1,29 @@
+error[E0005]: refutable pattern in local binding: `None` not covered
+  --> $DIR/E0005.rs:3:9
+   |
+LL |     let Some(y) = x;
+   |         ^^^^^^^ pattern `None` not covered
+   |
+   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
+   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
+note: `Option<i32>` defined here
+  --> $SRC_DIR/core/src/option.rs:LL:COL
+   |
+LL | pub enum Option<T> {
+   | ------------------
+...
+LL |     None,
+   |     ^^^^ not covered
+   = note: the matched value is of type `Option<i32>`
+help: you might want to use `if let` to ignore the variant that isn't matched
+   |
+LL |     let y = if let Some(y) = x { y } else { todo!() };
+   |     ++++++++++                 ++++++++++++++++++++++
+help: alternatively, on nightly, you might want to use `#![feature(let_else)]` to handle the variant that isn't matched
+   |
+LL |     let Some(y) = x else { todo!() };
+   |                     ++++++++++++++++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0005`.