message: Fix compile options for example 7
diff: <Option type="1" />
  <Option compiler="gcc" />
  <Compiler>
  + <Add option="-fexpensive-optimizations" />
  + <Add option="-O3" />
  <Add option="-w" />
  <Add option="-g" />
  <Add option="-fno-omit-frame-pointer" />
  