BOOL release_ok = !tainted && store_last_get[pool] == block;
uschar * newtext;
+#ifndef MACRO_PREDEF
if (is_tainted(block) != tainted)
die_tainted(US"store_newblock", CUS func, linenumber);
+#endif
newtext = store_get(newsize, tainted);
memcpy(newtext, block, len);