Retain more gas for the case that the called contract is not yet created.

libsolidity/ExpressionCompiler.cpp

@@ -1029,7 +1029,7 @@ void ExpressionCompiler::appendExternalFunctionCall(FunctionType const& _functio
 	else
 		// send all gas except the amount needed to execute "SUB" and "CALL"
 		// @todo this retains too much gas for now, needs to be fine-tuned.
-		m_context << u256(50 + (_functionType.valueSet() ? 9000 : 0)) << eth::Instruction::GAS << eth::Instruction::SUB;
+		m_context << u256(50 + (_functionType.valueSet() ? 9000 : 0) + 25000) << eth::Instruction::GAS << eth::Instruction::SUB;
 	m_context << eth::Instruction::CALL;
 	auto tag = m_context.appendConditionalJump();
 	m_context << eth::Instruction::STOP << tag;	// STOP if CALL leaves 0.

test/SolidityEndToEndTest.cpp

@@ -1414,8 +1414,6 @@ BOOST_AUTO_TEST_CASE(sha3)
 	testSolidityAgainstCpp("a(bytes32)", f, u256(-1));
 }
 
-#ifdef PRECOMPILED_CONTRACTS_GAS_FIXED_IN_SOLIDITY
-
 BOOST_AUTO_TEST_CASE(sha256)
 {
 	char const* sourceCode = "contract test {\n"
@@ -3631,5 +3629,3 @@ BOOST_AUTO_TEST_SUITE_END()
 }
 }
 } // end namespaces
-
-#endif