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Guard null it->second

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jl777
2018-05-30 03:06:13 -11:00
parent 525c7b98a9
commit e2c2eec41a
1 changed files with 2 additions and 1 deletions
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3
src/main.cpp
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@@ -5147,7 +5147,8 @@ void static CheckBlockIndex()
// Build forward-pointing map of the entire block tree. // Build forward-pointing map of the entire block tree.
std::multimap<CBlockIndex*,CBlockIndex*> forward; std::multimap<CBlockIndex*,CBlockIndex*> forward;
for (BlockMap::iterator it = mapBlockIndex.begin(); it != mapBlockIndex.end(); it++) { for (BlockMap::iterator it = mapBlockIndex.begin(); it != mapBlockIndex.end(); it++) {
forward.insert(std::make_pair(it->second->pprev, it->second)); if ( it->second != 0 )
forward.insert(std::make_pair(it->second->pprev, it->second));
} }
assert(forward.size() == mapBlockIndex.size()); assert(forward.size() == mapBlockIndex.size());