2245424 - DROP TEMPORARY TABLE causes abort at s_buf*s_bufpool::GetPageFrame - SAP IQ

SAP IQ 16  crashes with a SEGV signal during a DROP TEMPORARY TABLE transaction with the following stack:

===== Thread Number  203  (IQ connID: 0000080817) =====

pc: 0x0 (0x1, 0x10)
pc: 0xfffffd7fe436ac4f void DumpAllThreads(const char*,unsigned,int)+0x29f(0x2, 0xfffffd7fe69f09b0)
pc: 0xfffffd7fe405091a void hos_ABORT(const char*,unsigned,const char*,char*,char*)+0x1a2(0x7320746867756163, 0x3131206c616e6769)
pc: 0xfffffd7fe502a305 SigHndlr+0x41(0xfffffd7fe9834d80, 0xfffffd7ffd7026d2)
pc: 0xfffffd7ffd70de06 _fini+0x173f91c6(0xfffffd7fe9835480, 0xb6e33b000)
pc: 0xfffffd7ffd7026d2 _fini+0x173eda92(0x2bbd5f6b18, 0x772650ca8)
pc: 0xfffffd7ffd7028fe _fini+0x173edcbe(0xb, 0xfffffd7fe9835480)
pc: 0xffffffffffffffff _fini+0x12830cf(0x83, 0xfffffd7ffd705ab9)
pc: 0xfffffd7fe455c67d s_buf*s_bufpool::GetPageFrame(int,int,unsigned short,s_blockmap*,short)+0x75(0xfffffd7fe6581420, 0x0)
pc: 0xfffffd7fe453e5c8 s_buf*s_bufpartition::GetCleanPage(s_bufman_errorInfo*,s_connectionCacheStats*,hos_bio*,s_blockmap*,unsigned long long,unsigned long long,unsigned,unsigned long long,short,hos_cmprstype,s_bufman::s_paging,s_bufmanCallerStats*)+0x21c(0x340d2eb, 0x11d90)
pc: 0xfffffd7fe4539988 s_buf*s_bufpartition::Find(s_bufman_errorInfo*,s_connectionCacheStats*,hos_bio*,unsigned long long,unsigned long long,unsigned long long,unsigned,unsigned,int,unsigned,unsigned,short,s_blockmap*,s_bufman::s_paging,s_bufman::s_dirtyMode,unsigned,s_bufmanCallerStats*)+0xa94(0x340d2eb, 0x10)
pc: 0xfffffd7fe4452cb0 s_buf*s_blockmap::GetSBuf(s_bufman_errorInfo*,long long,s_bufman::s_dirtyMode,s_blockmap::prefetch,s_bufmanCallerStats*)+0x43c(0xfffffd7fe983aa80, 0xfffffd7ffd706d9a)
...

SAP IQ 16

crash, abort, stack, sybase, dump, signal 11, "s_buf*s_bufpartition::GetCleanPage", "s_buf*s_bufpool::GetPageFrame", IQ16, unix, linux, solaris, aix, windows, "st_server.cxx:1709",  st_server , KBA , BC-SYB-IQ , Sybase IQ , Problem