// N4606 Committee Draft, Standard for Programming Language C++
// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/n4606.pdf 
#define msg "p315.cpp(149)13.2 Declaration matching [over.dcl] "
// Edited by Dr. Ogawa Kiyoshi. Compile procedure and results record.

#include <iostream>

struct B {
int f(int);
};
struct D : B {
int f(const char*);
};

void h(D* pd) {
pd->f(1); // error:
// D::f(const char*) hides B::f(int)
pd->B::f(1); // OK
pd->f("Ben"); // OK, calls D::f
}

void f(const char*);
void g() {
extern void f(int);
f("asdf"); // error: f(int) hides f(const char*)
// so there is no f(const char*) in this scope
}
void caller () {
extern void callee(int, int);
{
extern void callee(int); // hides callee(int, int)
callee(88, 99); // error: only callee(int) in scope
}
}

class buffer {
private:
char* p;
int size;
protected:
buffer(int s, char* store) { size = s; p = store; }
public:
buffer(int s) { p = new char[size = s]; }
};
int main(){
  std::cout<< msg << std::endl;
  return EXIT_SUCCESS;
}

$ ./cppgl17.sh p315
$ clang++ p315.cpp
p315.cpp:16:7: error: cannot initialize a parameter of type 'const char *' with an rvalue of type 'int'
pd->f(1); // error:
      ^
p315.cpp:12:18: note: passing argument to parameter here
int f(const char*);
                 ^
p315.cpp:25:3: error: cannot initialize a parameter of type 'int' with an lvalue of type 'const char [5]'
f("asdf"); // error: f(int) hides f(const char*)
  ^~~~~~
p315.cpp:24:18: note: passing argument to parameter here
extern void f(int);
                 ^
p315.cpp:32:12: error: too many arguments to function call, expected 1, have 2
callee(88, 99); // error: only callee(int) in scope
~~~~~~     ^~
p315.cpp:31:1: note: 'callee' declared here
extern void callee(int); // hides callee(int, int)
^
3 errors generated.

$ g++-7 p315.cpp
p315.cpp: In function 'void h(D*)':
p315.cpp:16:8: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
 pd->f(1); // error:
        ^
p315.cpp:12:5: note:   initializing argument 1 of 'int D::f(const char*)'
 int f(const char*);
     ^
p315.cpp: In function 'void g()':
p315.cpp:25:9: error: invalid conversion from 'const char*' to 'int' [-fpermissive]
 f("asdf"); // error: f(int) hides f(const char*)
         ^
p315.cpp:24:13: note:   initializing argument 1 of 'void f(int)'
 extern void f(int);
             ^
p315.cpp: In function 'void caller()':
p315.cpp:32:14: error: too many arguments to function 'void callee(int)'
 callee(88, 99); // error: only callee(int) in scope
              ^
p315.cpp:31:13: note: declared here
 extern void callee(int); // hides callee(int, int)
             ^~~~~~