int main() { int x = 0; int x = x; return 0; }
Standard input is empty
prog.cpp: In function 'int main()':
prog.cpp:4:6: error: redeclaration of 'int x'
int x = x;
^
prog.cpp:3:6: note: 'int x' previously declared here
int x = 0;
^
Standard output is empty