/in/foo.cc: In function 'void read(T&)':
/in/foo.cc:16:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(;ch>='0'&&ch<='9';ch=getchar()) x=x*10+ch-'0'; x*=f;
  ^~~
/in/foo.cc:16:53: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
  for(;ch>='0'&&ch<='9';ch=getchar()) x=x*10+ch-'0'; x*=f;
                                                     ^