1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/tree.h b/gcc/tree.h
index 8d916ef..a91cd4f 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -2805,6 +2805,7 @@ extern HOST_WIDE_INT tree_low_cst (tree, int);
 extern int tree_int_cst_msb (tree);
 extern int tree_int_cst_sgn (tree);
 extern int tree_expr_nonnegative_p (tree);
+extern bool may_negate_without_overflow_p (tree);
 extern tree get_inner_array_type (tree);
 
 /* From expmed.c.  Since rtl.h is included after tree.h, we can't