bad code without errors in any compiled modes(VS2010)
>------ Build started: Project: const, Configuration: Debug Win32 ------
const_test.cc
const_test.cc(14): warning C4101: 'p_ci3' : unreferenced local variable
const_test.cc(13): warning C4101: 'p_ci2' : unreferenced local variable
  const.vcxproj -> BackToSchool\const\Debug\const.exe
========== Build: 1 succeeded, 0 failed, 0 up-to-date, 0 skipped ==========
Output:
*p_ci: -858993460(0xcccccccc)
*p_ci4: -858993460(0xcccccccc)
ci5: 5(0x5)