2600457 - Signal 11 in OmniQuickPass::locateSubquery() or OmniQuickPass::expandRangetableName() or OmniQuickPass::varExpression() - SAP ASE

When running a query using 'set show_transformed_sql on', the following "infected with signal 11" errors may happen:

• Current process (0xcd0067) infected with signal 11 (SIGSEGV)
  Address 0x0x00000000013950ac (OmniQuickPass::locateSubquery(tree*, tree**)+0x3a), siginfo (code, address) = (1, 0x0x0000003800000018)
   
  This error is followed by a stack trace that includes functions:

OmniQuickPass::locateSubquery
OmniQuickPass::locateOjRange
OmniQuickPass::handleOJBlock
OmniQuickPass::buildAnsiFrom
OmniQuickPass::generateSelect
OmniQuickPass::generateStatement
LeSQLRep::LeSQLRep
CgGenLava::CGConsDMLOp
CgpInsert::_cgpCodeGen
CgpPop::cgpCodeGen
CgpPop::prepareCodeGenCgp
CgpEmit::_cgpCodeGen
CgpPop::cgpCodeGen
GenLava
s_compile_stmt
s_compile
sequence
internal_sql
s_runtime_compile
s_execute

• Current process (0x850043) infected with signal 11 (SIGSEGV)
  Address 0x0x000000000139e446 (OmniQuickPass::expandRangetableName(range*, int, bool, int)+0x52), siginfo (code, address) = (1, 0x0x0000000000000138)
   
  This error is followed by a stack trace that includes functions:Other stack trace that can be reported:

OmniQuickPass::expandRangetableName
OmniQuickPass::generateResvar
OmniQuickPass::generateDelete
OmniQuickPass::generateStatement
generateTransSQL
s_preprocess
s_compile

• Current process (0xeb0076) infected with signal 11 (SIGSEGV)                                                                              
  Address 0x0x0000000001fc7724 (OmniQuickPass::varExpression(tree*, tree*, tree*)+0x1a4), siginfo (code, address) = (1, 0x0x0000000000000008)
   
  This error is followed by a stack trace that includes functions:

OmniQuickPass::varExpression
OmniQuickPass::generateExpression
OmniQuickPass::genClause
OmniQuickPass::generateWhere
OmniQuickPass::generateSelect
OmniQuickPass::generateExpression
OmniQuickPass::genClause
OmniQuickPass::generateWhere
OmniQuickPass::generateSelect
OmniQuickPass::generateUnion
OmniQuickPass::generateStatement
generateTransSQL
s_preprocess
s_compile

Note: Complete stack traces are available under Attachments.

• SAP Adaptive Server Enterprise (ASE) 15.7 SP138 
• SAP Adaptive Server Enterprise (ASE) 16.0 SP02 PL07

CR#813292, CR813292, 813292, CR#813359, CR813359, 813359, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace,  stack, registers, proxy, join, outer, subquery , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed