Philip Herron <redbrain@xxxxxxxxxxx> writes: > Program received signal SIGSEGV, Segmentation fault. > useless_type_conversion_p (outer_type=0xb7ac1f60, > inner_type=0xafafafaf) at ../../gcc-dev/gcc/tree-ssa.c:1222 > 1222 if (POINTER_TYPE_P (inner_type) The inner_type parameter is garbage. The value 0xafafafaf indicates that it was garbage collected. Somewhere you are holding on to a pointer which the garbage collector is not seeing. Ian