tree-ssa-pre.c (has_abnormal_preds): Remove global var.

2019-08-01  Richard Biener  <rguenther@suse.de>

	* tree-ssa-pre.c (has_abnormal_preds): Remove global var.
	(compute_antic): Localize it here.

From-SVN: r273971

gcc/ChangeLog

+2019-08-01  Richard Biener  <rguenther@suse.de>
+
+	* tree-ssa-pre.c (has_abnormal_preds): Remove global var.
+	(compute_antic): Localize it here.
+
 2019-07-31  Maxim Blinov  <maxim.blinov@embecosm.com>
 
 	* common/config/riscv/riscv-common.c: Check -march string ends

gcc/tree-ssa-pre.c

@@ -2013,8 +2013,6 @@ prune_clobbered_mems (bitmap_set_t set, basic_block block)
     }
 }
 
-static sbitmap has_abnormal_preds;
-
 /* Compute the ANTIC set for BLOCK.
 
    If succs(BLOCK) > 1 then
@@ -2352,7 +2350,7 @@ compute_antic (void)
 
   /* If any predecessor edges are abnormal, we punt, so antic_in is empty.
      We pre-build the map of blocks with incoming abnormal edges here.  */
-  has_abnormal_preds = sbitmap_alloc (last_basic_block_for_fn (cfun));
+  auto_sbitmap has_abnormal_preds (last_basic_block_for_fn (cfun));
   bitmap_clear (has_abnormal_preds);
 
   FOR_ALL_BB_FN (block, cfun)
@@ -2436,8 +2434,6 @@ compute_antic (void)
 						   block->index));
 	}
     }
-
-  sbitmap_free (has_abnormal_preds);
 }