Deno (release build) always dies at 2nd await

[kevinkassimo]

Run this script (echo_server.ts) using RELEASE build:

import * as deno from "deno";

const listener = deno.listen("tcp", "127.0.0.1:4545");
listener.accept().then(async (conn) => {
  await deno.copy(conn, conn);
  conn.close();
  listener.close();
});

and then try

cat package.json | nc localhost 4545

On mac, the server immediately dies, and the sending side would display

read(net): Connection reset by peer

Should be related to #888 . ntasks is unexpectedly decremented to 0 prematurely.

UPDATE:
Actually much worse. As shown in the following, the second await result would never be printed

import * as deno from "deno";

(async () => {
  console.log(await deno.stat("."));
  // Script dies here
  console.log(await deno.stat(".."));
})();

[ry]

Thank you. I can repeat and will work on this now.

[kevinkassimo]

@ry I feel that we would want to probably create priority labels for bugs? This one I feel is definitely like a P0 bug