Disallow implementation of abstract function by constructor of derived class.

1 files changed, 3 insertions, 0 deletions

diff --git a/libsolidity/codegen/ContractCompiler.cpp b/libsolidity/codegen/ContractCompiler.cpp
index 3623046e..bcfd33f2 100644
--- a/libsolidity/codegen/ContractCompiler.cpp
+++ b/libsolidity/codegen/ContractCompiler.cpp
@@ -776,7 +776,10 @@ void ContractCompiler::appendModifierOrFunctionCode()
 {
 	solAssert(m_currentFunction, "");
 	if (m_modifierDepth >= m_currentFunction->modifiers().size())
+	{
+		solAssert(m_currentFunction->isImplemented(), "");
 		m_currentFunction->body().accept(*this);
+	}
 	else
 	{
 		ASTPointer<ModifierInvocation> const& modifierInvocation = m_currentFunction->modifiers()[m_modifierDepth];