foo.cc: In function 'int main()':
foo.cc:7:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if (x<1);
  ^~
foo.cc:8:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   {
   ^
foo.cc:11:3: error: 'else' without a previous 'if'
   else if(x<10)
   ^~~~
foo.cc:12:3: error: expected primary-expression before '}' token
   }
   ^
foo.cc:15:5: error: 'else' without a previous 'if'
     else if(x<15)
     ^~~~
foo.cc:17:6: error: expected '}' before 'else'
      else if(x<30)
      ^~~~
foo.cc:18:5: error: expected primary-expression before '}' token
     }
     ^
foo.cc:21:2: error: 'else' without a previous 'if'
  else
  ^~~~

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