V8 Built-in functions

• https://v8.dev/docs/builtin-functions
• https://github.com/v8/v8/blob/master/src/runtime/runtime.h
• https://v8.dev/docs/memory-leaks

function foo() {
  const x = { bar: 'bar' };
  %DebugTrackRetainingPath(x);
  return () => {
    return x;
  };
}
const closure = foo();
gc();

vvv

💃 universe [master] node --allow-natives-syntax --track-retaining-path --expose-gc src/test.js

#################################################
Retaining path for 0x33a90e9bcb89:

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Distance from root 3: 0x33a90e9bcb89 <Object map = 0x33a9d65bbf09>

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Distance from root 2: 0x33a90e9bcb51 <FunctionContext[5]>

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Distance from root 1: 0x33a90e9bcc09 <JSFunction (sfi = 0x33a99d8d7a89)>

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Root: (Isolate)
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