Use STATICCALL for view and pure

test/libsolidity/SolidityEndToEndTest.cpp

@@ -12173,7 +12173,6 @@ BOOST_AUTO_TEST_CASE(abi_encode_call)
 BOOST_AUTO_TEST_CASE(staticcall_for_view_and_pure)
 {
 	char const* sourceCode = R"(
-		pragma experimental "v0.5.0";
 		contract C {
 			uint x;
 			function f() public returns (uint) {
@@ -12408,6 +12407,43 @@ BOOST_AUTO_TEST_CASE(senders_balance)
 	BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(27)));
 }
 
+BOOST_AUTO_TEST_CASE(write_storage_external)
+{
+	char const* sourceCode = R"(
+		contract C {
+			uint public x;
+			function f(uint y) public payable {
+				x = y;
+			}
+			function g(uint y) external {
+				x = y;
+			}
+			function h() public {
+				this.g(12);
+			}
+		}
+		contract D {
+			C c = new C();
+			function f() public payable returns (uint) {
+				c.g(3);
+				return c.x();
+			}
+			function g() public returns (uint) {
+				c.g(8);
+				return c.x();
+			}
+			function h() public returns (uint) {
+				c.h();
+				return c.x();
+			}
+		}
+	)";
+	compileAndRun(sourceCode, 0, "D");
+	ABI_CHECK(callContractFunction("f()"), encodeArgs(3));
+	ABI_CHECK(callContractFunction("g()"), encodeArgs(8));
+	ABI_CHECK(callContractFunction("h()"), encodeArgs(12));
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 }