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Author

anonymous

about 6 years ago

Language

C++

Compiler

gcc HEAD 10.0.1 20200324 (experimental)

Options
Warnings
Boost 1.72.0
C++2a(GNU)
no pedantic

Author

anonymous

about 6 years ago

$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.72.0/gcc-head/include -std=gnu++2a
prog.cc:18:8: warning: direct base 'A' inaccessible in 'B' due to ambiguity [-Winaccessible-base]
   18 | struct B : public A, public F {
      |        ^
prog.cc:24:8: warning: direct base 'A' inaccessible in 'D' due to ambiguity [-Winaccessible-base]
   24 | struct D:  public B, public A {
      |        ^
prog.cc:30:8: warning: direct base 'B' inaccessible in 'C' due to ambiguity [-Winaccessible-base]
   30 | struct C : public B, public D {
      |        ^
A::A()
A::A()
B::B()
A::A()
A::A()
B::B()
A::A()
C::C()
Exit Code:
0