It's quite funny how much the debug vs release builds resemble the fastOpt and fullOpt stages of Scala.js. Except that fastOpt actually produces decent runtime

It's quite funny how much the debug vs release builds resemble the fastOpt and fullOpt stages of Scala.js. Except that fastOpt actually produces decent runtime performance thanks to incremental whole-program optimizations. But time spent too compile and undefined behavior handling are very much the same.