[Bug middle-end/67442] [5/6 Regression] GCC 5.2.0 on x86_64 creates invalid address on specific array index calculation through pointer

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67442

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Bootstrap finished with that assert and the fix (c,c++,fortran only, expanding
that now).  I'm going to commit the varasm.c change if testing is fine.