Fix SIGSEV with malformed functions

tests/integration/FunctionsTests.cpp

@@ -189,5 +189,14 @@ stringResult = add('foo', 'bar')
     delete stringVar;
 }
 
+TEST_CASE( "Malformed parameter logs error", "[integration]" ) {
+    Script* script = Script::Create(uR"(
+function blockOwnCritical( move, target, hitNumber )
+    return true
+end
+)");
+    REQUIRE(script->Diagnostics -> HasErrors());
+    delete script;
+}
 
 #endif