[Bug middle-end/55279] New pseudo registers aren't supported in CSE

[steven at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55279

--- Comment #6 from Steven Bosscher <steven at gcc dot gnu.org> 2012-12-09 16:09:04 UTC ---
(In reply to comment #5)

There shouldn't be any such tables. Before the DF merge, there was 
no_new_pseudos, but it had its problems.

Why can't cse_reg_info_table() be modified to intercept this?