Don't parse expression on different line from return keyword

tests/integration/Functions.cpp

@@ -136,5 +136,19 @@ test()
     delete script;
 }
 
+TEST_CASE( "Return doesn't parse next line expression", "[integration]" ) {
+    Script* script = Script::Create(
+            R"(
+return
+1 + 1
+)"
+    );
+    REQUIRE(!script->Diagnostics -> HasErrors());
+    auto result = script->Evaluate();
+    REQUIRE(result == nullptr);
+
+    delete script;
+}
+
 
 #endif