From 42321b01e0acc46839dfecd78985174e4e6ef417 Mon Sep 17 00:00:00 2001
From: Michael Goulet <michael@errs.io>
Date: Wed, 5 Oct 2022 03:35:50 +0000
Subject: [PATCH] Add test

---
 src/test/ui/generator/issue-102645.rs     | 23 +++++++++++++++++++++++
 src/test/ui/generator/issue-102645.stderr | 19 +++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 src/test/ui/generator/issue-102645.rs
 create mode 100644 src/test/ui/generator/issue-102645.stderr

diff --git a/src/test/ui/generator/issue-102645.rs b/src/test/ui/generator/issue-102645.rs
new file mode 100644
index 000000000000..0589c5a009a1
--- /dev/null
+++ b/src/test/ui/generator/issue-102645.rs
@@ -0,0 +1,23 @@
+// compile-flags: -Zdrop-tracking
+
+#![feature(generators, generator_trait)]
+
+use std::ops::Generator;
+use std::pin::Pin;
+
+fn main() {
+    let mut a = 5;
+    let mut b = || {
+        let d = 6;
+        yield;
+        _zzz(); // #break
+        a = d;
+    };
+    Pin::new(&mut b).resume();
+    //~^ ERROR this function takes 1 argument but 0 arguments were supplied
+    // This type error is required to reproduce the ICE...
+}
+
+fn _zzz() {
+    ()
+}
diff --git a/src/test/ui/generator/issue-102645.stderr b/src/test/ui/generator/issue-102645.stderr
new file mode 100644
index 000000000000..7b4d50213251
--- /dev/null
+++ b/src/test/ui/generator/issue-102645.stderr
@@ -0,0 +1,19 @@
+error[E0061]: this function takes 1 argument but 0 arguments were supplied
+  --> $DIR/issue-102645.rs:16:22
+   |
+LL |     Pin::new(&mut b).resume();
+   |                      ^^^^^^-- an argument of type `()` is missing
+   |
+note: associated function defined here
+  --> $SRC_DIR/core/src/ops/generator.rs:LL:COL
+   |
+LL |     fn resume(self: Pin<&mut Self>, arg: R) -> GeneratorState<Self::Yield, Self::Return>;
+   |        ^^^^^^
+help: provide the argument
+   |
+LL |     Pin::new(&mut b).resume(());
+   |                            ~~~~
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0061`.