------- Comment #9 from ebotcazou at gcc dot gnu dot org 2006-06-24 14:54 ------- > The problem appears to be caused by the change of semantics of const_binop in > this patch: > > 2005-11-16 Eric Botcazou <[EMAIL PROTECTED]> > > * fold-const.c (const_binop): Don't constant fold the operation > if the result has overflowed and flag_trapping_math. > * simplify-rtx.c (simplify_const_binary_operation): Likewise.
This patch doesn't change the semantics of const_binop, it only plugs a hole. It looks like const_binop is not prepared for itself returning NULL_TREE... -- ebotcazou at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC|ebotcazou at gcc dot gnu dot| |org | AssignedTo|unassigned at gcc dot gnu |ebotcazou at gcc dot gnu dot |dot org |org Status|NEW |ASSIGNED Last reconfirmed|2006-06-24 13:50:09 |2006-06-24 14:54:58 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28151