https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127377
Drea Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2026-09-14
Ever confirmed|0 |1
Status|UNCONFIRMED |NEW
--- Comment #4 from Drea Pinski <pinskia at gcc dot gnu.org> ---
Confirmed. In my reduced testcase fre1 is where it goes wrong first.
Somehow fre decides the write to n.m can be ignored for n.ab.l but they
overlap.
n.b[3] = 0;
n.m = n.m | 0x08000000;
n.b[2] = 0x7;
o = n.ab.l;
Successfully combined 2 partial definitions
Setting value number of _3 to 0 (changed)