1 files changed, 7 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-27433.rs b/tests/ui/issues/issue-27433.rs
new file mode 100644
index 00000000000..01411a51c13
--- /dev/null
+++ b/tests/ui/issues/issue-27433.rs
@@ -0,0 +1,7 @@
+// run-rustfix
+fn main() {
+    let foo = 42u32;
+    #[allow(unused_variables, non_snake_case)]
+    const FOO : u32 = foo;
+                   //~^ ERROR attempt to use a non-constant value in a constant
+}