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struct B { 
  B () {}
  B(int i) {}
};
 
struct D : B { 
  using B::B;
  D(const char* p) {}
};
 
int main () {
  D d1; // ok
  D d2(3); // ok
  D d3("hello");  // ok
}
 

prog.cpp:7:12: error: ‘B::B’ names constructor
prog.cpp: In function ‘int main()’:
prog.cpp:12:5: error: no matching function for call to ‘D::D()’
prog.cpp:12:5: note: candidates are:
prog.cpp:8:3: note: D::D(const char*)
prog.cpp:8:3: note:   candidate expects 1 argument, 0 provided
prog.cpp:6:8: note: constexpr D::D(const D&)
prog.cpp:6:8: note:   candidate expects 1 argument, 0 provided
prog.cpp:6:8: note: constexpr D::D(D&&)
prog.cpp:6:8: note:   candidate expects 1 argument, 0 provided
prog.cpp:13:9: error: invalid conversion from ‘int’ to ‘const char*’ [-fpermissive]
prog.cpp:8:3: error:   initializing argument 1 of ‘D::D(const char*)’ [-fpermissive]

Standard output is empty