[Bug regression/59320] ftree-vrp breaks simple loops

[astra at ionic dot at]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59320

--- Comment #8 from David Kaufmann <astra at ionic dot at> ---
Created attachment 31323
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31323&action=edit
gdb "backtrace full" when segfaulting

backtrace from gdb when opening xfig with provided testcase.