[Bug rtl-optimization/115879] ICE: verify_flow_info failed: missing REG_EH_REGION note at the end of bb 6 with -O -fnon-call-exceptions -finstrument-functions and invalid memory access

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115879

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Zdenek Sojka from comment #2)
> _BitInt() is not needed, this can be also triggered at least by memset() and
> memcpy() with the memory operand having negative offset to address to a
> variable.

Do you have an  example since I can't find one?