Clear the async stack on navigations
---------- console.trace: 0 ----------
bar (test.js:7:10)
(anonymous) (test.js:12:0)
-- foo --
foo (test.js:2:17)
(anonymous) (test.js:12:4)
---------- console.trace: 1 ----------
bar (test.js:7:10)
(anonymous) (test.js:12:0)
-- foo --
foo (test.js:2:17)
(anonymous) (test.js:12:4)