http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46474
--- Comment #4 from Mikael Pettersson <mikpe at it dot uu.se> 2010-11-15 10:14:00 UTC --- (In reply to comment #2) > If it's due to the reported difference using fma and not using fma then > probably the tree fma code lacks checks for debug stmts. Try This patch restored bootstrap. Thanks.