* src/vm/jit/optimizing/ssa.c (ssa_print_phi): Printing now phi

* src/vm/jit/optimizing/ssa.c (ssa_print_phi): Printing now phi
functions correctly for debug output.

* src/vm/jit/optimizing/ssa.c (dead_code_elimination): No removal of
potential exception throwing instructions (PEI) anymore.

* src/vm/jit/jit.h: Renamed op_needs_saved[] to op_data[][NEEDS_SAVED]
and introduced the new op_data[][PEI].

* src/vm/jit/jit.c (jit_init): Added init of op_data[NEEDS_SAVED|PEI]

* src/vm/jit/optimizing/lifetimes.c (LifeOutAtStatement): Renamed
op_needs_saved[] to the new op_data[][NEEDS_SAVED]