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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. struct A {};
  6. struct B : A {};
  7. struct C : A {};
  8. struct D : B, C {};
  9.  
  10. int main() {
  11.     A *a[5];
  12.     a[0] = new A;
  13.     a[1] = new B;
  14.     a[2] = new C;
  15.     a[3] = new D;
  16.  
  17.     return 0;
  18. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:15: error: ‘A’ is an ambiguous base of ‘D’
stdout
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Standard output is empty
https://ideone.com/7WYZfl
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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