ROUND() returns incorrect result

Build tested: 1.4.0-1

[dlee@master centos7]$ cat gitversionInfo.txt
server commit:
67452bc
engine commit:
4d2a159

Autopilot test case features.functions

select cidx, CDECIMAL1, ROUND(CDECIMAL1,-1) from datatypetestm order by cidx
--------------

cidx CDECIMAL1 ROUND(CDECIMAL1,-1)
1 -9 -9
1 row in set

Reference returns -10. This tests also works correctly in 1.2.4-1