[Bug ipa/107769] [12/13 Regression] -flto with -Os/-O2/-O3 emitted code with gcc 12.x segfaults via mutated global in .rodata since r12-2887-ga6da2cddcf0e959d

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107769

--- Comment #7 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Created attachment 54817
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54817&action=edit
potential patch

I am testing the attached patch.  I'd like to think about the whole situation a
bit more next week, but this seems like a way to fix this and PR 109318.