/in/foo.cc: In function 'double work()':
/in/foo.cc:77:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(int i=1;i<=m;i++) 
  ^~~
/in/foo.cc:79:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
    return ans;
    ^~~~~~