for(i = 0 ; i < process->execution_stack->len; i++) {
g_array_index(new_process->execution_stack, LttvExecutionState, i) =
g_array_index(process->execution_stack, LttvExecutionState, i);
for(i = 0 ; i < process->execution_stack->len; i++) {
g_array_index(new_process->execution_stack, LttvExecutionState, i) =
g_array_index(process->execution_stack, LttvExecutionState, i);