[Bug bootstrap/48327] [4.7 Regression] Bootstrap comparison failure with ada since r171622

[law at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48327

--- Comment #4 from Jeffrey A. Law <law at gcc dot gnu.org> 2011-03-29 22:49:07 
UTC ---
Author: law
Date: Tue Mar 29 22:49:00 2011
New Revision: 171703

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=171703
Log:
    PR bootstrap/48327
    * tree-ssa-threadupdate.c (struct redirection_data): Remove
    do_not_duplicate field.
    (lookup_redirection_data): Corresponding changes.
    (create_duplicates): Always create a template block.
    (redirect_edges): Remove code which reused the original block
    when it was going to become unreachable code.
    (thread_block): Don't set do_not_duplicate field.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-threadupdate.c