[Bug tree-optimization/107066] Field initialized before ctor is mis-optimized away by DSE

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107066

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
See https://gcc.gnu.org/gcc-6/porting_to.html#flifetime-dse also. Which
documented when the change happened back in GCC 6.