From 3c6678a968cef1e3b9024b28c8a0130728027e27 Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonasschievink@gmail.com>
Date: Thu, 29 Jul 2021 02:56:03 +0200
Subject: [PATCH] Add `const_for` test

---
 src/test/ui/consts/const-for.rs     | 10 ++++++++++
 src/test/ui/consts/const-for.stderr | 15 +++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 src/test/ui/consts/const-for.rs
 create mode 100644 src/test/ui/consts/const-for.stderr

diff --git a/src/test/ui/consts/const-for.rs b/src/test/ui/consts/const-for.rs
new file mode 100644
index 00000000000..5fc1ee0e369
--- /dev/null
+++ b/src/test/ui/consts/const-for.rs
@@ -0,0 +1,10 @@
+#![feature(const_for)]
+#![feature(const_mut_refs)]
+
+const _: () = {
+    for _ in 0..5 {}
+    //~^ error: calls in constants are limited to
+    //~| error: calls in constants are limited to
+};
+
+fn main() {}
diff --git a/src/test/ui/consts/const-for.stderr b/src/test/ui/consts/const-for.stderr
new file mode 100644
index 00000000000..a35c04b3570
--- /dev/null
+++ b/src/test/ui/consts/const-for.stderr
@@ -0,0 +1,15 @@
+error[E0015]: calls in constants are limited to constant functions, tuple structs and tuple variants
+  --> $DIR/const-for.rs:5:14
+   |
+LL |     for _ in 0..5 {}
+   |              ^^^^
+
+error[E0015]: calls in constants are limited to constant functions, tuple structs and tuple variants
+  --> $DIR/const-for.rs:5:14
+   |
+LL |     for _ in 0..5 {}
+   |              ^^^^
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0015`.