[Bug tree-optimization/52376] [4.7 regression] ICE in lto_input_tree_ref, at lto-streamer-in.c:266 while linking LTO-PGO libxul

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52376

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-27 
09:40:30 UTC ---
Created attachment 26760
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26760
gcc47-pr52376.patch

Untested fix.