if debugGCProg {
		fmt.Fprintf(os.Stderr, "gcprog sym: %s at %d (ptr=%d+%d)\n", ldr.SymName(s), ldr.SymValue(s), ldr.SymValue(s)/ptrsize, nptr)
	}

	sval := ldr.SymValue(s)
	if !decodetypeUsegcprog(p.ctxt.Arch, typData) {
		// Copy pointers from mask into program.
		mask := decodetypeGcmask(p.ctxt, typ)
		for i := int64(0); i < nptr; i++ {
			if (mask[i/8]>>uint(i%8))&1 != 0 {