[Bug rtl-optimization/49847] [4.7/4.8/4.9 Regression] NULL deref in fold_rtx (prev_insn_cc0 == NULL)

[sch...@linux-m68k.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49847

--- Comment #22 from Andreas Schwab <sch...@linux-m68k.org> ---
*** Bug 57929 has been marked as a duplicate of this bug. ***