HARMONY-1553
HARMONY-1553

M2N_FREE_MACRO is missing before the return statement in interpreter() - leads to stalled memory references
Pop frame handles should be called again after single step event handler.

Ubuntu 6 - smoke, c-unit


svn path=/incubator/harmony/enhanced/drlvm/trunk/; revision=449246

freeVM/freeVM,freeVM/freeVM,freeVM/freeVM,freeVM/freeVM,freeVM/freeVM