1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/consts/const-eval/size-of-t.rs b/src/test/ui/consts/const-eval/size-of-t.rs
new file mode 100644
index 000000000..efbdeec70
--- /dev/null
+++ b/src/test/ui/consts/const-eval/size-of-t.rs
@@ -0,0 +1,13 @@
+// https://github.com/rust-lang/rust/issues/69228
+// Used to give bogus suggestion about T not being Sized.
+
+use std::mem::size_of;
+
+fn foo<T>() {
+    let _arr: [u8; size_of::<T>()];
+    //~^ ERROR generic parameters may not be used in const operations
+    //~| NOTE cannot perform const operation
+    //~| NOTE type parameters may not be used in const expressions
+}
+
+fn main() {}