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Fix for invalid clearing of memory in ecrecover.

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This commit is contained in:
chriseth 2017-07-28 10:06:49 +02:00
parent 368a8a62c1
commit b74118ec57
1 changed files with 1 additions and 1 deletions
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2
libsolidity/codegen/ExpressionCompiler.cpp
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@ -1622,7 +1622,7 @@ void ExpressionCompiler::appendExternalFunctionCall(
// zero bytes (which we cannot detect).
solAssert(0 < retSize && retSize <= 32, "");
utils().fetchFreeMemoryPointer();
m_context << Instruction::DUP1 << u256(0) << Instruction::MSTORE;
m_context << u256(0) << Instruction::DUP2 << Instruction::MSTORE;
m_context << u256(32) << Instruction::ADD;
utils().storeFreeMemoryPointer();
}