diff options
Diffstat (limited to 'libsolidity')
| -rw-r--r-- | libsolidity/codegen/CompilerUtils.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libsolidity/codegen/CompilerUtils.cpp b/libsolidity/codegen/CompilerUtils.cpp index e064c1a6..5e045996 100644 --- a/libsolidity/codegen/CompilerUtils.cpp +++ b/libsolidity/codegen/CompilerUtils.cpp @@ -656,6 +656,14 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp solAssert(_typeOnStack == _targetType, "Invalid type conversion requested."); break; } + + // Check the conversion result fits in a range. + if (targetTypeCategory == Type::Category::Enum) + { + EnumType const& enumType = dynamic_cast<decltype(enumType)>(_targetType); + m_context << u256(enumType.numberOfMembers()) << Instruction::DUP2 << Instruction::LT << Instruction::ISZERO; + m_context.appendConditionalJumpTo(m_context.errorTag()); + } } void CompilerUtils::pushZeroValue(Type const& _type) |