[Bug tree-optimization/62035] [4.9 Regresion] wrong code building libapache-mod-perl with -O1, works with -O1 -fno-tree-dse

[doko at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62035

--- Comment #1 from Matthias Klose <doko at gcc dot gnu.org> ---
seen with r213518 on the trunk as well