https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116460
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|ppc64le: LTO ICE during |[14/15 Regression] LTO ICE
|GIMPLE pass: forwprop |with -g during GIMPLE pass:
| |forwprop
Target Milestone|--- |14.3
--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
./a.ltrans6.ltrans.212t.forwprop4
Removing dead stmt noDataCandVec$_M_start_888 = PHI <_1783(176), _577(186)>
...
Removing dead stmt:_598 = _888 + 16;
So it looks like we remove the statement defining _888 and then removing the
use.
The removal of _888 happens directly from forwprop while _598 definition
removal comes from simple_dce_from_worklist .
The ICE happens because the ssa name _888 has already been freed so the type is
null (and not in this case a pointer) since this was originally a pointer plus.
Trying to reduce this further.
