merge.

checkpoint.
does not compile.

1 files changed, 7 insertions, 2 deletions

diff --git a/mysys/checksum.c b/mysys/checksum.c
index a96ea31ea0e..b2579351134 100644
--- a/mysys/checksum.c
+++ b/mysys/checksum.c
@@ -18,6 +18,8 @@
 #include <my_sys.h>
 #include <zlib.h>
 
+ha_checksum my_crc_dbug_check= 1;               /* Unlikely number */
+
 /*
   Calculate a long checksum for a memoryblock.
 
@@ -30,6 +32,9 @@
 
 ha_checksum my_checksum(ha_checksum crc, const uchar *pos, size_t length)
 {
-  return (ha_checksum)crc32((uint)crc, pos, (uint)length);
+  crc= (ha_checksum) crc32((uint)crc, pos, (uint) length);
+  DBUG_PRINT("info", ("crc: %lu", (ulong) crc));
+  if (crc == my_crc_dbug_check)
+    my_debug_put_break_here();
+  return crc;
 }
-