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codegen: truncate a boolean calldata down to one bit

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Yoichi Hirai 2016-11-10 11:33:15 +01:00
parent b16cdbb57e
commit 03ccc6df70
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2 changed files with 3 additions and 0 deletions
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1
Changelog.md
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@ -5,6 +5,7 @@ Features:
Bugfixes: Bugfixes:
* Type checker: string literals that are not valid UTF-8 cannot be converted to string type * Type checker: string literals that are not valid UTF-8 cannot be converted to string type
* Code generator: higher bits in a boolean argument are ignored.
### 0.4.6 (2016-11-22) ### 0.4.6 (2016-11-22)

2
libsolidity/codegen/CompilerUtils.cpp
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@ -925,6 +925,8 @@ unsigned CompilerUtils::loadFromMemoryHelper(Type const& _type, bool _fromCallda
if (leftAligned) if (leftAligned)
m_context << shiftFactor << Instruction::MUL; m_context << shiftFactor << Instruction::MUL;
} }
if (_fromCalldata && _type.category() == Type::Category::Bool)
m_context << Instruction::ISZERO << Instruction::ISZERO;
return numBytes; return numBytes;
} }