re PR middle-end/46518 (internal compiler error: in vinsn_detach, at sel-sched-ir.c:1271)

        PR middle-end/46518
        * sel-sched-ir.c (init_expr): Use the correct type for
        target_available.
        * sel-sched.c (fill_vec_av_set): Use explicitly signed char type.

From-SVN: r166898

gcc/ChangeLog

+2010-11-18  Alexander Monakov  <amonakov@ispras.ru>
+
+	PR middle-end/46518
+	* sel-sched-ir.c (init_expr): Use the correct type for
+	target_available.
+	* sel-sched.c (fill_vec_av_set): Use explicitly signed char type.
+
 2010-11-17  Joakim Tjernlund  <Joakim.Tjernlund@transmode.se>
 
 	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Support -fpic

gcc/sel-sched-ir.c

@@ -1595,7 +1595,7 @@ static void
 init_expr (expr_t expr, vinsn_t vi, int spec, int use, int priority,
 	   int sched_times, int orig_bb_index, ds_t spec_done_ds,
 	   ds_t spec_to_check_ds, int orig_sched_cycle,
-	   VEC(expr_history_def, heap) *history, bool target_available,
+	   VEC(expr_history_def, heap) *history, signed char target_available,
            bool was_substituted, bool was_renamed, bool needs_spec_check_p,
            bool cant_move)
 {

gcc/sel-sched.c

@@ -3735,7 +3735,7 @@ fill_vec_av_set (av_set_t av, blist_t bnds, fence_t fence,
     {
       expr_t expr = VEC_index (expr_t, vec_av_set, n);
       insn_t insn = EXPR_INSN_RTX (expr);
-      char target_available;
+      signed char target_available;
       bool is_orig_reg_p = true;
       int need_cycles, new_prio;