(try_split): Don't try to recursively split deleted insn.

From-SVN: r7143

gcc/emit-rtl.c

@@ -2020,10 +2020,12 @@ try_split (pat, trial, last)
 	  /* Recursively call try_split for each new insn created; by the
 	     time control returns here that insn will be fully split, so
 	     set LAST and continue from the insn after the one returned.
-	     We can't use next_active_insn here since AFTER may be a note. */
+	     We can't use next_active_insn here since AFTER may be a note.
+	     Ignore deleted insns, which can be occur if not optimizing.  */
 	  for (tem = NEXT_INSN (before); tem != after;
 	       tem = NEXT_INSN (tem))
-	    tem = try_split (PATTERN (tem), tem, 1);
+	    if (! INSN_DELETED_P (tem))
+	      tem = try_split (PATTERN (tem), tem, 1);
 	}
       /* Avoid infinite loop if the result matches the original pattern.  */
       else if (rtx_equal_p (seq, pat))