From 3d88eca531109b8b19eabd9f33b9d860056e7754 Mon Sep 17 00:00:00 2001
From: Jason Cobb <jason.e.cobb@gmail.com>
Date: Thu, 15 Feb 2018 23:23:27 -0500
Subject: Disallow implicit conversion from rational (literal) to address

---
 libsolidity/ast/Types.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'libsolidity')

diff --git a/libsolidity/ast/Types.cpp b/libsolidity/ast/Types.cpp
index c4d97c64..68c53af1 100644
--- a/libsolidity/ast/Types.cpp
+++ b/libsolidity/ast/Types.cpp
@@ -858,11 +858,13 @@ bool RationalNumberType::isImplicitlyConvertibleTo(Type const& _convertTo) const
 {
 	if (_convertTo.category() == Category::Integer)
 	{
-		if (m_value == rational(0))
-			return true;
 		if (isFractional())
 			return false;
 		IntegerType const& targetType = dynamic_cast<IntegerType const&>(_convertTo);
+		if (targetType.isAddress())
+			return false;
+		if (m_value == rational(0))
+			return true;
 		unsigned forSignBit = (targetType.isSigned() ? 1 : 0);
 		if (m_value > rational(0))
 		{
-- 
cgit