cred: isolate scripts in WASI and move RSA signing to AWS-LC

host/cred-script/vendor/rquickjs-sys/quickjs/tests/bug648.js

@@ -0,0 +1,13 @@
+/*---
+negative:
+  phase: runtime
+  type: Error
+---*/
+let finrec = new FinalizationRegistry(v => {})
+let object = {object:"object"}
+finrec.register(object, {held:"held"}, {token:"token"})
+object = undefined
+// abrupt termination should not leak |held|
+// unfortunately only shows up in qjs, not run-test262,
+// but still good to have a regression test
+throw Error("ok")