From 384f7382ba595092169569e4e16aaeb7dbd32f7a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matthias=20Kr=C3=BCger?= <matthias.krueger@famsik.de>
Date: Wed, 25 Oct 2023 23:19:34 +0200
Subject: [PATCH] add test for #113381

Fixes #113381

r? fee1-dead
---
 .../const_closure-const_trait_impl-ice-113381.rs  | 15 +++++++++++++++
 ...nst_closure-const_trait_impl-ice-113381.stderr | 11 +++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const_closure-const_trait_impl-ice-113381.rs
 create mode 100644 tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const_closure-const_trait_impl-ice-113381.stderr

diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const_closure-const_trait_impl-ice-113381.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const_closure-const_trait_impl-ice-113381.rs
new file mode 100644
index 00000000000..6598d1da0f8
--- /dev/null
+++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const_closure-const_trait_impl-ice-113381.rs
@@ -0,0 +1,15 @@
+#![feature(const_closures, const_trait_impl, effects)]
+#![allow(incomplete_features)]
+
+trait Foo {
+    fn foo(&self);
+}
+
+impl Foo for () {
+    fn foo(&self) {}
+}
+
+fn main() {
+    (const || { (()).foo() })();
+    //~^ ERROR: cannot call non-const fn
+}
diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const_closure-const_trait_impl-ice-113381.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const_closure-const_trait_impl-ice-113381.stderr
new file mode 100644
index 00000000000..002d586ac64
--- /dev/null
+++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const_closure-const_trait_impl-ice-113381.stderr
@@ -0,0 +1,11 @@
+error[E0015]: cannot call non-const fn `<() as Foo>::foo` in constant functions
+  --> $DIR/const_closure-const_trait_impl-ice-113381.rs:13:22
+   |
+LL |     (const || { (()).foo() })();
+   |                      ^^^^^
+   |
+   = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0015`.