[Bug rtl-optimization/61047] [4.9/5/6 Regression] wrong code at -O1 on x86_64-linux

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61047

--- Comment #21 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> I think that the patch is clear in scope, only fixes a specific case unless
> rtx_addr_can_trap_p_1() was refactored, it should be feasible to apply to
> trunk, 5.1 and 4.9.

No, the patch is way too risky and will very likely introduce more bugs than it
fixes, let alone performance regressions.  There are dozens of open PRs
reported for real-life software that need to be fixed, but this one is _not_
one of them.