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#ifdef CAPTURE_JUST_VALID_VM_STACK

rb_gc_mark_locations(cont->vm_stack,

cont->vm_stack + cont->vm_stack_slen + cont->vm_stack_clen);

rb_gc_mark_localtion(cont->vm_stack,

cont->vm_stack, cont->saved_thread.stack_size);

#endif

cont->vm_stack = ALLOC_N(VALUE, cont->vm_stack_slen + cont->vm_stack_clen);

MEMCPY(cont->vm_stack, th->stack, VALUE, cont->vm_stack_slen);

MEMCPY(cont->vm_stack + cont->vm_stack_slen, (VALUE*)th->cfp, VALUE, cont->vm_stack_clen);

cont->vm_stack = ALLOC_N(VALUE, th->stack_size);

MEMCPY(cont->vm_stack, th->stack, VALUE, th->stack_size);

#endif

MEMCPY(th->stack, cont->vm_stack, VALUE, cont->vm_stack_slen);

MEMCPY(th->stack + sth->stack_size - cont->vm_stack_clen,

cont->vm_stack + cont->vm_stack_slen, VALUE, cont->vm_stack_clen);

MEMCPY(th->stack, cont->vm_stack, VALUE, sth->stack_size);

#endif

}