C++: Accept test changes.

Author: MathiasVP

cpp/ql/test/library-tests/valuenumbering/GlobalValueNumbering/ir_gvn.expected

@@ -1156,23 +1156,23 @@ test.cpp:
 #  166|     m166_4(unknown)                              = Chi                                  : total:m166_2, partial:m166_3
 #  166|         valnum = unique
 #  167|     r167_1(glval<StructWithConstMemberFunction>) = VariableAddress[s]                   : 
-#  167|         valnum = r167_1, r168_2, r169_1
+#  167|         valnum = r167_1, r168_2, r169_1, r169_2
 #  167|     m167_2(StructWithConstMemberFunction)        = Uninitialized[s]                     : &:r167_1
 #  167|         valnum = m167_2, m168_4, r168_3
 #  167|     m167_3(unknown)                              = Chi                                  : total:m166_4, partial:m167_2
 #  167|         valnum = unique
 #  168|     r168_1(glval<StructWithConstMemberFunction>) = VariableAddress[s2]                  : 
 #  168|         valnum = unique
 #  168|     r168_2(glval<StructWithConstMemberFunction>) = VariableAddress[s]                   : 
-#  168|         valnum = r167_1, r168_2, r169_1
+#  168|         valnum = r167_1, r168_2, r169_1, r169_2
 #  168|     r168_3(StructWithConstMemberFunction)        = Load[s]                              : &:r168_2, m167_2
 #  168|         valnum = m167_2, m168_4, r168_3
 #  168|     m168_4(StructWithConstMemberFunction)        = Store[s2]                            : &:r168_1, r168_3
 #  168|         valnum = m167_2, m168_4, r168_3
 #  169|     r169_1(glval<StructWithConstMemberFunction>) = VariableAddress[s]                   : 
-#  169|         valnum = r167_1, r168_2, r169_1
+#  169|         valnum = r167_1, r168_2, r169_1, r169_2
 #  169|     r169_2(glval<StructWithConstMemberFunction>) = Convert                              : r169_1
-#  169|         valnum = unique
+#  169|         valnum = r167_1, r168_2, r169_1, r169_2
 #  169|     r169_3(glval<unknown>)                       = FunctionAddress[constMemberFunction] : 
 #  169|         valnum = unique
 #  169|     v169_4(void)                                 = Call[constMemberFunction]            : func:r169_3, this:r169_2