Update tests

Author: Daniel-Cortez

source/compiler/tests/class_specifiers_p2.meta

@@ -4,5 +4,7 @@
 class_specifiers_p2.pwn(4) : error 042: invalid combination of class specifiers
 class_specifiers_p2.pwn(7) : error 042: invalid combination of class specifiers
 class_specifiers_p2.pwn(11) : error 010: invalid function or declaration
+class_specifiers_p2.pwn(16) : error 025: function heading differs from prototype
+class_specifiers_p2.pwn(25) : error 025: function heading differs from prototype
 """
 }

source/compiler/tests/class_specifiers_p2.pwn

@@ -11,4 +11,19 @@ static @var2 = 0;        // error 042: invalid combination of class specifiers
 forward Tag:[2] static stock Func();  // error 010: invalid function or declaration
 forward static stock Tag:[2] Func2(); // OK
 
+forward Func3();
+public Func3();  // class specifier "public" is introduced; it will be required in the definition
+Func3(){}        // error 025: function heading differs from prototype
+
+static Func4();  // class specifier "static" is introduced
+forward Func4(); // OK (class specifiers are only mandatory in function definitions, not declarations)
+static Func4(){} // OK (class specifier "static" is in place)
+
+static Func5(){} // Func5() is "finalized"; subsequent forward declarations
+                 // for this function can't introduce any new class specifiers
+forward static Func5(); // OK (no new class specifiers)
+forward static stock Func5(); // error 025: function heading differs from prototype
+
+#pragma unused Func4, Func5
+
 main(){}