Recursive Function Hanging

switching to a build with debug info you get this details:

ASSERT(jsvGetLocks(var) < 15) FAILED AT src/jsvar.c:585
  #1[r10,l2] Object {
    #2[r1,l2] ASSERT(jsvGetLocks(var) < 15) FAILED AT src/jsvar.c:571
 33789> ASSERT FAILED AT src/jsvar.c:571
---console end---
 33794> CRASHING.
 33796>
 33797>
 33798> ***** Fatal exception 9
 33801> pc=0x4020bd31 sp=0x3fffe690 excvaddr=0x0000dead
 33806> ps=0x00000030 sar=0x00000008 vpri=0x3ffe99ef
 33810> r00: 0x4020bd2b=1075887403 r01: 0x3fffe690=1073735312 r02: 0x0000dead=     57005
 33818> r03: 0x0000beef=     48879 r04: 0x00000000=         0 r05: 0x00000018=        24
 33826> r06: 0x6000001c=1610612764 r07: 0x00000082=       130 r08: 0x00000000=         0
 33834> r09: 0xffffffff=        -1 r10: 0x0000000c=        12 r11: 0x0000002d=        45
 33842> r12: 0x00000016=        22 r13: 0x3ffe99e2=1073650146 r14: 0x3ffe98e3=1073649891
 33850> r15: 0x3fffe790