/in/foo.cc: In function 'void read(T&)':
/in/foo.cc:13:2: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
  while(c=gc(),47<c&&c<58)x=(x<<1)+(x<<3)+(c^48);x*=y;
  ^~~~~
/in/foo.cc:13:49: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
  while(c=gc(),47<c&&c<58)x=(x<<1)+(x<<3)+(c^48);x*=y;
                                                 ^