bitmap.c (bitmap_ior, bitmap_ior_and_compl): Zap current as it could be deleted.

From-SVN: r218173

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 92e0af5dff72aa82b20daa9e23964bf18cbb22d2..9a525e5fe02f8258535c30111cde228dfb828a91 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-11-28  Mike Stump  <mikestump@comcast.net>
+
+       * bitmap.c (bitmap_ior): Zap current as it could be deleted.
+       (bitmap_ior_and_compl): Likewise.
+
 2014-11-28  Vladimir Makarov  <vmakarov@redhat.com>
 
        PR target/64061

diff --git a/gcc/bitmap.c b/gcc/bitmap.c
index 8f7f3064be642adf82dc2fd9c5bd179dae36157f..ace6aea35128763b82ddeb30e9fa57146640dddc 100644 (file)
--- a/gcc/bitmap.c
+++ b/gcc/bitmap.c
@@ -1595,6 +1595,8 @@ bitmap_ior (bitmap dst, const_bitmap a, const_bitmap b)
   if (dst_elt)
     {
       changed = true;
+      /* Ensure that dst->current is valid.  */
+      dst->current = dst->first;
       bitmap_elt_clear_from (dst, dst_elt);
     }
   gcc_checking_assert (!dst->current == !dst->first);
@@ -1951,6 +1953,8 @@ bitmap_ior_and_compl (bitmap dst, const_bitmap a, const_bitmap b, const_bitmap k
   if (dst_elt)
     {
       changed = true;
+      /* Ensure that dst->current is valid.  */
+      dst->current = dst->first;
       bitmap_elt_clear_from (dst, dst_elt);
     }
   gcc_checking_assert (!dst->current == !dst->first);