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| author | Yoichi Hirai <i@yoichihirai.com> | 2016-11-15 00:09:53 +0800 |
|---|---|---|
| committer | Yoichi Hirai <i@yoichihirai.com> | 2016-11-15 00:09:53 +0800 |
| commit | dbcbfafda8e44f56a7952993fd9f6699822395d6 (patch) | |
| tree | 5157a5aa763e29b247246239706f3b9b5954bc1b /libsolidity/codegen | |
| parent | 454e7618c8ebd35d442c43a66b2f95b36a4cd1d5 (diff) | |
| download | dexon-solidity-dbcbfafda8e44f56a7952993fd9f6699822395d6.tar.gz dexon-solidity-dbcbfafda8e44f56a7952993fd9f6699822395d6.tar.zst dexon-solidity-dbcbfafda8e44f56a7952993fd9f6699822395d6.zip | |
codegen: overflow checking also during conversion from enums
Diffstat (limited to 'libsolidity/codegen')
| -rw-r--r-- | libsolidity/codegen/CompilerUtils.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libsolidity/codegen/CompilerUtils.cpp b/libsolidity/codegen/CompilerUtils.cpp index dd133aea..9472aac5 100644 --- a/libsolidity/codegen/CompilerUtils.cpp +++ b/libsolidity/codegen/CompilerUtils.cpp @@ -315,7 +315,7 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp Type::Category stackTypeCategory = _typeOnStack.category(); Type::Category targetTypeCategory = _targetType.category(); - bool enumOverflowCheckPending = (targetTypeCategory == Type::Category::Enum); + bool enumOverflowCheckPending = (targetTypeCategory == Type::Category::Enum || stackTypeCategory == Type::Category::Enum); switch (stackTypeCategory) { @@ -353,7 +353,7 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp solAssert(_targetType == _typeOnStack || targetTypeCategory == Type::Category::Integer, ""); if (enumOverflowCheckPending) { - EnumType const& enumType = dynamic_cast<decltype(enumType)>(_targetType); + EnumType const& enumType = dynamic_cast<decltype(enumType)>(_typeOnStack); solAssert(enumType.numberOfMembers() > 0, "empty enum should have caused a parser error."); m_context << u256(enumType.numberOfMembers() - 1) << Instruction::DUP2 << Instruction::GT; m_context.appendConditionalJumpTo(m_context.errorTag()); |