foo.cc:11:14: error: stray '\357' in program
     if(x == 0）
              ^
foo.cc:11:15: error: stray '\274' in program
     if(x == 0）
               ^
foo.cc:11:16: error: stray '\211' in program
     if(x == 0）
                ^
foo.cc: In function 'void h(int)':
foo.cc:11:8: warning: init-statement in selection statements only available with -std=c++1z or -std=gnu++1z
     if(x == 0）
        ^
foo.cc:12:9: error: expected ';' before 'return'
         return;
         ^~~~~~
foo.cc:11:10: warning: statement has no effect [-Wunused-value]
     if(x == 0）
        ~~^~~~
foo.cc:13:5: error: expected primary-expression before 'else'
     else if(x % 10 == 7)
     ^~~~
foo.cc:13:5: error: expected ')' before 'else'

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