https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119665

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=78394,
                   |                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=89723
          Component|c                           |tree-optimization

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
So -Og runs a different optimization pipeline than the other optimization
levels do.  It does not do any jump threading nor other optimizations which
will confuse debugging and in this case to see if the desc is uninitialized an
optimization that is not done by -Og is needed.

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