2729314 - Load crash during tier HG index merge on s_bufpartition::DestroyLogicalBuffer - SAP IQ

LOAD TABLE crash during tier HG index merge on s_bufpartition::DestroyLogicalBuffer.

Excerpt of stack trace

**************************************************
*** SAP IQ Abort:
*** From: slib/s_bufman.cxx:5858
*** PID: 15252
*** Message: Destroying Locked Logical Buffer
*** Thread: 140048957138688 (TID: 529)
**************************************************

** Command text:

load into table "TABLENAME"( "col1" '|',"col2" '|',"col3" '|',"col4" '|',"col5" '|')
using file '/datafile.dat'
quotes off escapes off format binary row delimited by '\x0A'

***************** This is the STACKTRACE ***************

s_bufpartition::DestroyLogicalBuffer
s_blockmap::Destroy
s_blockmap::Destroy
hs_ohcMerge<s_btfdiskblock, s_btfitem, long long>::FinishMerge
hs_ohcMerge<s_btfdiskblock, s_btfitem, long long>::DoMerge
hs_subohcMergeUnit::Execute
dfo_THGMerge::FetchOpus

SAP IQ 16.1

CR817615, CR#817615, 817615, dfo_THGMerge::FetchOpus, s_blockmap::Destroy, tier, HG, tiered, hs_ohcMerge, hs_subohcMergeUnit, FinishMerge, DoMerge , KBA , BC-SYB-IQ , Sybase IQ , Bug Filed