Use fixed-size array in IsProbablyDuplicate to avoid stack protector warning
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@ -303,9 +303,10 @@ bool Equihash<N,K>::BasicSolve(const eh_HashState& base_state,
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return false;
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}
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template<size_t MAX_INDICES>
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bool IsProbablyDuplicate(std::shared_ptr<eh_trunc> indices, size_t lenIndices)
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{
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bool checked_index[lenIndices] = {false};
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bool checked_index[MAX_INDICES] = {false};
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for (int z = 0; z < lenIndices; z++) {
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if (!checked_index[z]) {
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for (int y = z+1; y < lenIndices; y++) {
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@ -387,7 +388,7 @@ bool Equihash<N,K>::OptimisedSolve(const eh_HashState& base_state,
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// First run the algorithm with truncated indices
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eh_index soln_size { 1 << K };
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const eh_index soln_size { 1 << K };
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std::vector<std::shared_ptr<eh_trunc>> partialSolns;
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int invalidCount = 0;
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{
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@ -432,8 +433,8 @@ bool Equihash<N,K>::OptimisedSolve(const eh_HashState& base_state,
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hashLen, lenIndices,
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CollisionByteLength};
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if (!(Xi.IsZero(hashLen-CollisionByteLength) &&
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IsProbablyDuplicate(Xi.GetTruncatedIndices(hashLen-CollisionByteLength, 2*lenIndices),
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2*lenIndices))) {
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IsProbablyDuplicate<soln_size>(Xi.GetTruncatedIndices(hashLen-CollisionByteLength, 2*lenIndices),
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2*lenIndices))) {
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Xc.emplace_back(Xi);
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}
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}
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