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[patch] a few random fixes


Hello,

Just some things I've had in my tree for a while now, ChangeLog says it all:

        * bb-reorder.c (fix_crossing_unconditional_branches): Remove a
        set-but-unused variable.

        * cgraph.c (cgraph_release_function_body): Clear cfun->cfg to make
        basic blocks of released function bodies garbage-collectable.

        * ree.c (find_and_remove_re): Do not call df_finish_pass here.
        (struct rtl_opt_pass): Add TODO_df_finish.

        * rtl.def (DEFINE_SUBST, DEFINE_SUBST_ATTR): Add documentation.

Bootstrapped&tested on powerpc64-unknown-linux-gnu.
OK for trunk?

Ciao!
Steven

Attachment: just_some_fixes.diff.txt
Description: Text document


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