/in/foo.cc: In function 'void read(int&)':
/in/foo.cc:7:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(x=0; isdigit(ch); x=x*10+ch-'0',ch=getchar()); if(ok) x=-x;
  ^~~
/in/foo.cc:7:53: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
  for(x=0; isdigit(ch); x=x*10+ch-'0',ch=getchar()); if(ok) x=-x;
                                                     ^~