re PR middle-end/33670 (cc1 segfault with -O2 -fsched-stalled-insns=0 for twolf)

	PR middle-end/33670
	* haifa-sched.c (check_sched_flags): Remove.
	(sched_init): Don't call it.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r129948

gcc/ChangeLog

+2007-11-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
+	    Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/33670
+	* haifa-sched.c (check_sched_flags): Remove.
+	(sched_init): Don't call it.
+
 2007-11-06  Rask Ingemann Lambertsen  <rask@sygehus.dk>
 
 	PR target/32787

gcc/haifa-sched.c

@@ -582,7 +582,6 @@ static void add_jump_dependencies (rtx, rtx);
 #ifdef ENABLE_CHECKING
 static int has_edge_p (VEC(edge,gc) *, int);
 static void check_cfg (rtx, rtx);
-static void check_sched_flags (void);
 #endif
 
 #endif /* INSN_SCHEDULING */
@@ -2692,9 +2691,6 @@ sched_init (void)
       else
 	/* So we won't read anything accidentally.  */
 	spec_info = 0;
-#ifdef ENABLE_CHECKING
-      check_sched_flags ();
-#endif
     }
   else
     /* So we won't read anything accidentally.  */
@@ -4517,20 +4513,6 @@ check_cfg (rtx head, rtx tail)
 
   gcc_assert (bb == 0);
 }
-
-/* Perform a few consistency checks of flags in different data structures.  */
-static void
-check_sched_flags (void)
-{
-  unsigned int f = current_sched_info->flags;
-
-  if (flag_sched_stalled_insns)
-    gcc_assert (!(f & DO_SPECULATION));
-  if (f & DO_SPECULATION)
-    gcc_assert (!flag_sched_stalled_insns
-		&& spec_info
-		&& spec_info->mask);
-}
 #endif /* ENABLE_CHECKING */
 
 #endif /* INSN_SCHEDULING */