"called from line %d of %s", size, line, func);
if (yield < tainted_base) tainted_base = yield;
-if ((top = yield + size) > tainted_top) tainted_top = top;
+if ((top = US yield + size) > tainted_top) tainted_top = top;
return store_alloc_tail(yield, size, func, line, US"Mmap");
}