foo.cc: In function 'int main()':
foo.cc:11:10: error: expected ';' before '}' token
   11 |   h/=2;+2
      |          ^
      |          ;
   12 |  }
      |  ~        
foo.cc:11:8: warning: statement has no effect [-Wunused-value]
   11 |   h/=2;+2
      |        ^~

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