http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54632
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dehao at gcc dot gnu.org
Target Milestone|--- |4.8.0
Summary|not supported in LTO |[4.8 Regression] not
|streams : tree code '�F |supported in LTO streams :
|��D�� ` |tree code '�F ��D�� `
--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-09-20
11:31:49 UTC ---
It's outputting a garbage collected tree. Suspect it was a BLOCK.