https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102606
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|c |middle-end
Summary|miscompilation of a program |large array in a dead-code
|with large array in a |is not optimized away at
|dead-code |-O0
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I don't think this is miscompiled but rather you just run out of stack space
because gcc at -O0 does not remove the the otherwise unused array.
This is by design.
Yes gcc could be improved to remove it but it is not a miscompile.
