[Bug rtl-optimization/56921] [4.9 Regression] ICE in rtx_cost called by doloop_optimize_loops for PPC

[ktkachov at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56921

--- Comment #12 from ktkachov at gcc dot gnu.org 2013-04-15 15:26:10 UTC ---
(In reply to comment #11)
> Created attachment 29877 [details]
> patch papering over the issue with TODO_do_not_ggc_collect
> 
> Patch papering over (restoring non-GC collect) attached.  Not exactly the
> best solution as garbage is then again not collected during the in some
> cases memory expensive passes.

Fixes ICE while building libgfortran for arm-*-*.
Also, no regressions on arm-none-eabi tested with qemu.