fix regression in ASM version upgrade

the number of arguments for a method changed and so we were no
longer overriding the right thing
Revert "Add debugging output for bytecode generator"

This reverts commit c20953d1fef6fc5ef96936bf1cdb27edd878008a.

Conflicts:
	src/main/generate/Generator.scala
Revert "wip, do not keep -- simplify some prims to enable focus on _constdouble"

This reverts commit e8c5b4c419bbea05b7bbfddbb6c874bf8eba41b8.
update bench dumps for generation of stack maps