1 files changed, 42 insertions, 0 deletions
diff --git a/tests/ui/for-loop-while/while-let-2.stderr b/tests/ui/for-loop-while/while-let-2.stderr
new file mode 100644
index 00000000000..1b1cf679243
--- /dev/null
+++ b/tests/ui/for-loop-while/while-let-2.stderr
@@ -0,0 +1,42 @@
+warning: irrefutable `while let` pattern
+  --> $DIR/while-let-2.rs:7:19
+   |
+LL |               while let $p = $e $b
+   |                     ^^^
+...
+LL | /     foo!(_a, 1, {
+LL | |         println!("irrefutable pattern");
+LL | |     });
+   | |______- in this macro invocation
+   |
+   = note: this pattern will always match, so the loop will never exit
+   = help: consider instead using a `loop { ... }` with a `let` inside it
+   = note: `#[warn(irrefutable_let_patterns)]` on by default
+   = note: this warning originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+warning: irrefutable `while let` pattern
+  --> $DIR/while-let-2.rs:7:19
+   |
+LL |               while let $p = $e $b
+   |                     ^^^
+...
+LL | /     bar!(_a, 1, {
+LL | |         println!("irrefutable pattern");
+LL | |     });
+   | |______- in this macro invocation
+   |
+   = note: this pattern will always match, so the loop will never exit
+   = help: consider instead using a `loop { ... }` with a `let` inside it
+   = note: this warning originates in the macro `foo` which comes from the expansion of the macro `bar` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+warning: irrefutable `while let` pattern
+  --> $DIR/while-let-2.rs:27:11
+   |
+LL |     while let _a = 1 {
+   |           ^^^^^^^^^^
+   |
+   = note: this pattern will always match, so the loop will never exit
+   = help: consider instead using a `loop { ... }` with a `let` inside it
+
+warning: 3 warnings emitted
+