[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

Chen Gang <gang.chen at asianux dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |gang.chen at asianux dot com

--- Comment #2 from Chen Gang <gang.chen at asianux dot com> ---
Created attachment 30478
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30478&action=edit
Compiling command(use red hat 4.7.2 as a demo), it's same for gcc 4.9.0
compiling from source code.