[Bug bootstrap/52878] [4.8 regression] bootstrap failure: "MASK_LONG_DOUBLE_128" redefined

[mikpe at it dot uu.se]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52878

--- Comment #5 from Mikael Pettersson <mikpe at it dot uu.se> 2012-04-18 
16:38:18 UTC ---
Created attachment 27183
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27183
combined patch

I've combined HJ's two patches to one and verified that it restores bootstrap
on sparc64-linux.