Regression test for issue 84297.

Author: pnkfelix

src/test/ui/intrinsics/issue-84297-reifying-copy.rs

@@ -0,0 +1,9 @@
+// check-pass
+
+fn main() {
+    let _unused = if true {
+        core::ptr::copy::<i32>
+    } else {
+        core::ptr::copy_nonoverlapping::<i32>
+    };
+}