[Bug middle-end/57856] for an uninitialized variable, gcc assumes it already has value instead of report uninitialized warnings.

[gang.chen at asianux dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57856

--- Comment #3 from Chen Gang <gang.chen at asianux dot com> ---
Created attachment 30479
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30479&action=edit
The related warnings, not find uninitailized warning for lru.