Make sure issue 53275 test goes through codegen

Author: rylev

src/test/ui/issues/issue-53275.rs

@@ -1,6 +1,7 @@
-// run-pass
+// build-pass
 
 #![crate_type = "lib"]
+#![allow(unconditional_panic)]
 struct S(u8);
 
 pub fn ice() {