define: DUK_USE_REFCOUNT32
introduced: 2.1.0
default: true
tags:
  - gc
description: >
  Use a 32-bit reference count field.

  While on some 64-bit systems it's theoretically possible to wrap a 32-bit
  counter field, assuming a 16-byte duk_tval the Duktape heap would have to
  be larger than 64GB for that to happen.  Because of this the default is to
  use a 32-bit refcount field.
