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-rw-r--r--gcc/tree-vrp.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree-vrp.h b/gcc/tree-vrp.h
index ef2c68a752b..f84403a0f83 100644
--- a/gcc/tree-vrp.h
+++ b/gcc/tree-vrp.h
@@ -17,6 +17,9 @@ You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
+#ifndef GCC_TREE_VRP_H
+#define GCC_TREE_VRP_H
+
/* Type of value ranges. See value_range_d In tree-vrp.c for a
description of these types. */
enum value_range_type { VR_UNDEFINED, VR_RANGE,
@@ -57,3 +60,4 @@ extern void extract_range_from_unary_expr (value_range *vr,
value_range *vr0_,
tree op0_type);
+#endif /* GCC_TREE_VRP_H */