define: DUK_USE_ALLOW_UNDEFINED_BEHAVIOR
introduced: 2.3.0
default: false
tags:
  - portability
description: >
  Allow technically undefined behavior such as out-of-range double-to-integer
  casts, floating point division by zero, etc. which are likely to work on the
  majority of platforms.  Default is to avoid such behaviors, at the cost of
  some footprint and performance.