bump isl for isl_pw_aff_pos_set export

Author: Sven Verdoolaege

isl_interface/include/isl/cpp.h

@@ -2166,6 +2166,7 @@ class pw_aff {
   inline isl::pw_aff neg() const;
   inline isl::set nonneg_set() const;
   inline isl::set params() const;
+  inline isl::set pos_set() const;
   inline isl::pw_aff project_domain_on_params() const;
   inline isl::pw_aff pullback(isl::multi_aff ma) const;
   inline isl::pw_aff pullback(isl::pw_multi_aff pma) const;
@@ -13082,6 +13083,18 @@ isl::set pw_aff::params() const
   return manage(res);
 }
 
+isl::set pw_aff::pos_set() const
+{
+  if (!ptr)
+    throw isl::exception::create(isl_error_invalid,
+        "NULL input", __FILE__, __LINE__);
+  options_scoped_set_on_error saved_on_error(get_ctx(), ISL_ON_ERROR_CONTINUE);
+  auto res = isl_pw_aff_pos_set(copy());
+  if (!res)
+    throw exception::create_from_last_error(get_ctx());
+  return manage(res);
+}
+
 isl::pw_aff pw_aff::project_domain_on_params() const
 {
   if (!ptr)