GC_GUARDED_PTR_REF 1158 vm_backtrace.c 	    rb_control_frame_t *cfp = GC_GUARDED_PTR_REF(cfp_val);
GC_GUARDED_PTR_REF  967 vm_core.h      #define VM_EP_PREV_EP(ep)   ((VALUE *)GC_GUARDED_PTR_REF((ep)[0]))
GC_GUARDED_PTR_REF  968 vm_core.h      #define VM_EP_BLOCK_PTR(ep) ((rb_block_t *)GC_GUARDED_PTR_REF((ep)[0]))
GC_GUARDED_PTR_REF  161 vm_dump.c      	    fprintf(stderr, " (= %ld)", (long)((VALUE *)GC_GUARDED_PTR_REF(t) - th->stack));
GC_GUARDED_PTR_REF  151 vm_insnhelper.h #define GET_BLOCK_PTR() ((rb_block_t *)(GC_GUARDED_PTR_REF(GET_LEP()[0])))