[Bug rtl-optimization/58369] [4.8/4.9 regression] ICE in subreg_get_info when compiling boost for m68k-linux

[mikpe at it dot uu.se]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58369

--- Comment #3 from Mikael Pettersson <mikpe at it dot uu.se> ---
The ICE occurs because reload is asking for a DFmode (8-byte) subreg of an
XFmode (12-byte) hardreg, but 12 % 8 != 0 so the gcc_assert fails.