Big integer/binary mem literal support.

libethereum/Instruction.cpp

@@ -585,11 +585,25 @@ void CodeFragment::constructOperation(sp::utree const& _t, CompilerState& _s)
 				else if (ii >= 2 && !i.tag() && i.which() == sp::utree_type::any_type)
 				{
 					bigint bi = *i.get<bigint*>();
-					if (bi < 0 || bi > bigint(u256(0) - 1))
+					if (bi < 0)
 						error<IntegerOutOfRange>();
+					else if (bi > bigint(u256(0) - 1))
+					{
+						if (ii == 2 && _t.size() == 3)
+						{
+							// One big int - allow it as hex.
+							data.resize(bytesRequired(bi));
+							toBigEndian(bi, data);
+						}
+						else
+							error<IntegerOutOfRange>();
+					}
+					else
+					{
 						data.resize(data.size() + 32);
 						*(h256*)(&data.back() - 31) = (u256)bi;
 					}
+				}
 				else if (ii)
 					error<InvalidLiteral>();
 				++ii;