https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126159
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2026-07-08
Ever confirmed|0 |1
Status|UNCONFIRMED |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot
gnu.org
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 64961
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=64961&action=edit
patch
This works for the testcase, it attempts to handle a limited set of union
accesses. ISTR the fortran frontend uses unions for /common/(?) and places
different union members at different offsets(!), thus the hard-coding of
zero, meaning all union components alias.
