c++ on ios global initializer crash wtf?

gistfile1.txt

I get this only when running on device, not simulator:

#0  0x0000ecd4 in aiVector3D::aiVector3D (this=0x3dbb9e, _x=0, _y=1, _z=0) at aiVector3D.h:64
#1  0x0000e8d8 in aiVector3D::aiVector3D (this=0x3dbb9e, _x=5.66926963e-39, _y=0, _z=1) at aiVector3D.h:64
#2  0x0019bb22 in __cxx_global_var_init1 ()
#3  0x0019bbc4 in global constructors keyed to a ()
#4  0x2fe0ced2 in __dyld__ZN16ImageLoaderMachO18doModInitFunctionsERKN11ImageLoader11LinkContextE ()
#5  0x2fe0cbd8 in __dyld__ZN16ImageLoaderMachO16doInitializationERKN11ImageLoader11LinkContextE ()
#6  0x2fe0a7d4 in __dyld__ZN11ImageLoader23recursiveInitializationERKNS_11LinkContextEjRNS_21InitializerTimingListE ()
#7  0x2fe0b794 in __dyld__ZN11ImageLoader15runInitializersERKNS_11LinkContextERNS_21InitializerTimingListE ()
#8  0x2fe02a20 in __dyld__ZN4dyld24initializeMainExecutableEv ()
#9  0x2fe06b84 in __dyld__ZN4dyld5_mainEPK12macho_headermiPPKcS5_S5_ ()
#10 0x2fe012ce in __dyld__ZN13dyldbootstrap5startEPK12macho_headeriPPKclS2_ ()
#11 0x2fe01060 in __dyld__dyld_start ()

so, where can I find this global, and why is it causing segfault err EXC_BAD_ACCESS? its constructor is dead simple:

struct aiVector3D
{
#ifdef __cplusplus
	aiVector3D () : x(0.0f), y(0.0f), z(0.0f) {}
	aiVector3D (float _x, float _y, float _z) : x(_x), y(_y), z(_z) {}   // <--- THIS ONE HERE!
...
#endif // __cplusplus

	float x, y, z;	
}