Bug#28629175 WRONG ARGUMENTS TO IB::ERROR(ER_IB_MSG_720)

ER_IB_MSG_720 expects two unsigned longs. However: the checksums involved
are uint32_t, so we may get unexpected results. The fix is to compute checksums
at 32bit entities, then cast to unsigned long for error logging.

Change-Id: I0b4cf8b54fbc3cf41ef990081b2c646c2bac28a5

Author: Tor Didriksen

storage/innobase/log/log0recv.cc

@@ -3156,9 +3156,11 @@ bool meb_scan_log_recs(
     }
 
     if (!log_block_checksum_is_ok(log_block)) {
+      uint32_t checksum1 = log_block_get_checksum(log_block);
+      uint32_t checksum2 = log_block_calc_checksum(log_block);
       ib::error(ER_IB_MSG_720, no, scanned_lsn,
-                log_block_get_checksum(log_block),
-                log_block_calc_checksum(log_block));
+                static_cast<unsigned long>(checksum1),
+                static_cast<unsigned long>(checksum2));
 
       /* Garbage or an incompletely written log block.