#define check_offset_max substrs->data[2].max_offset
#define check_end_shift substrs->data[2].end_shift
-#define RX_ANCHORED_SUBSTR(rx) ((rx)->anchored_substr)
-#define RX_ANCHORED_UTF8(rx) ((rx)->anchored_utf8)
-#define RX_FLOAT_SUBSTR(rx) ((rx)->float_substr)
-#define RX_FLOAT_UTF8(rx) ((rx)->float_utf8)
+#define RX_ANCHORED_SUBSTR(rx) (((struct regexp *)SvANY(rx))->anchored_substr)
+#define RX_ANCHORED_UTF8(rx) (((struct regexp *)SvANY(rx))->anchored_utf8)
+#define RX_FLOAT_SUBSTR(rx) (((struct regexp *)SvANY(rx))->float_substr)
+#define RX_FLOAT_UTF8(rx) (((struct regexp *)SvANY(rx))->float_utf8)
/* trie related stuff */