re PR target/32481 (ICE in df_refs_verify, at df-scan.c:4058)

2007-06-27  Seongbae Park  <seongbae.park@gmail.com>

	PR rtl-optimization/32481
	* combine.c (adjust_for_new_dest): Rescan the changed insn.

From-SVN: r126058

gcc/ChangeLog

+2007-06-27  Seongbae Park  <seongbae.park@gmail.com>
+
+	PR rtl-optimization/32481
+	* combine.c (adjust_for_new_dest): Rescan the changed insn.
+
 2007-06-27  Richard Sandiford  <richard@codesourcery.com>
 
 	* dce.c (deletable_insn_p_1): New function, split out from...

gcc/combine.c

@@ -2057,6 +2057,8 @@ adjust_for_new_dest (rtx insn)
      of an insn just above it.  Call distribute_links to make a LOG_LINK from
      the next use of that destination.  */
   distribute_links (gen_rtx_INSN_LIST (VOIDmode, insn, NULL_RTX));
+
+  df_insn_rescan (insn);
 }
 
 /* Return TRUE if combine can reuse reg X in mode MODE.