Derived class members are outofscope when debugging C++

Hello,

We are having a hard time debugging our code base which is primarily C++ based. Class members in derived classes are shown as "outofscope" in some cases. In the following example, a.var1, a.var2, b.var1 and b.var2 are "outofscope". If A class is not instatiated, b.var1 and b.var2 are visible as expected which is strange.

#ifndef ACLASS_H
#define ACLASS_H




class AParent
{
public:
    int var2;
};




class A : public AParent
{
public:
   int var1;


};


#endif

#include "AClass.h"


class BParent
{
public:
   int var2;
};


class B :public BParent
{
public:
   int var1;
};




//If A class is not instantiated, b.var1 and b.var2 are NOT out of scope
A a;
B b;




int main(int, char *[])
{
   while (1)
   {
      b.var1++;
      b.var2++;
   }
}

The issue is not present if the code is compiled with Segger Embedded Studio

Stm32F439
Ozone 3.38f
-O0
GCC toolchain 12.2 (same issue on 14.2)
https://developer.arm.com/-/media/Files/…9F9E16D17A85311

Related issue:

[ABANDONED] Problem with C++ and

Excellent, thank you!

/rals