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Add assert to shift helper

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This commit is contained in:
Alex Beregszaszi 2017-07-01 11:48:12 +01:00
parent d261265595
commit 677700d5ac
1 changed files with 2 additions and 0 deletions
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2
libsolidity/codegen/CompilerUtils.cpp
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@ -1013,11 +1013,13 @@ void CompilerUtils::cleanHigherOrderBits(IntegerType const& _typeOnStack)
void CompilerUtils::leftShiftNumberOnStack(unsigned _bits) void CompilerUtils::leftShiftNumberOnStack(unsigned _bits)
{ {
solAssert(_bits < 256, "");
m_context << (u256(1) << _bits) << Instruction::MUL; m_context << (u256(1) << _bits) << Instruction::MUL;
} }
void CompilerUtils::rightShiftNumberOnStack(unsigned _bits, bool _isSigned) void CompilerUtils::rightShiftNumberOnStack(unsigned _bits, bool _isSigned)
{ {
solAssert(_bits < 256, "");
m_context << (u256(1) << _bits) << Instruction::SWAP1 << (_isSigned ? Instruction::SDIV : Instruction::DIV); m_context << (u256(1) << _bits) << Instruction::SWAP1 << (_isSigned ? Instruction::SDIV : Instruction::DIV);
} }