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Fix for segfault #520 #521

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Fix for segfault #520 #521

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14 changes: 8 additions & 6 deletions Core/SoarKernel/src/explanation_based_chunking/ebc_repair.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -150,14 +150,16 @@ void Repair_Manager::add_state_link_WMEs(goal_stack_level pTargetGoal, tc_number
void Repair_Manager::add_path_to_goal_WMEs(chunk_element* pTargetSym, tc_number cond_tc)
{
wme_list* l_WMEPath = find_path_to_goal_for_symbol(pTargetSym->instantiated_sym);
for (auto it = l_WMEPath->begin(); it != l_WMEPath->end(); it++)
{
wme* lWME = (*it);
if ((lWME->tc == cond_tc) && (lWME->value != pTargetSym->instantiated_sym))
if (l_WMEPath) {
for (auto it = l_WMEPath->begin(); it != l_WMEPath->end(); it++)
{
continue;
wme* lWME = (*it);
if ((lWME->tc == cond_tc) && (lWME->value != pTargetSym->instantiated_sym))
{
continue;
}
m_repair_WMEs.insert(lWME);
}
m_repair_WMEs.insert(lWME);
}
}

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