[Bug middle-end/66313] Unsafe factorization of a*b+a*c

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66313

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
gcc.dg/tree-ssa/pr23294.c should be still optimized, no?  there is not a single
case with a possibly overflowing addition in there.