[Bug c/105100] [10/11/12 RegressionStrange warning when modifying structures "writing 1 byte into a region of size 0" when compile with -O3

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105100

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2022-03-30
            Summary|Strange warning when        |[10/11/12 RegressionStrange
                   |modifying structures        |warning when modifying
                   |"writing 1 byte into a      |structures "writing 1 byte
                   |region of size 0" when      |into a region of size 0"
                   |compile with -O3            |when compile with -O3
           Keywords|                            |diagnostic

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.