test/js_optimizer/emitDCEGraph-scopes-output.js

[
 {
  "name": "emcc$defun$arrowed",
  "reaches": [],
  "root": true
 },
 {
  "name": "emcc$defun$bar",
  "reaches": [],
  "root": true
 },
 {
  "name": "emcc$defun$caller",
  "reaches": [
   "emcc$defun$foo"
  ],
  "root": true
 },
 {
  "name": "emcc$defun$foo",
  "reaches": []
 }
]