int f(int x = 0); int f(int x); int f(int x = 0); int main() { return 0; }
Standard input is empty
prog.cpp:3:16: error: default argument given for parameter 1 of 'int f(int)' [-fpermissive] int f(int x = 0); ^ prog.cpp:2:5: note: previous specification in 'int f(int)' here int f(int x); ^
Standard output is empty