From 437adfbc0a6ddfbe4b93615dc2a52b5331971fed Mon Sep 17 00:00:00 2001
From: Erik Schnetter <schnetter@gmail.com>
Date: Mon, 10 Sep 2012 22:02:40 -0400
Subject: CarpetLib: Ensure that split/combined regions don't have a tree
 structure attached

---
 Carpet/CarpetLib/src/region.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Carpet/CarpetLib/src/region.cc b/Carpet/CarpetLib/src/region.cc
index 09fb7d5f0..f0d486260 100644
--- a/Carpet/CarpetLib/src/region.cc
+++ b/Carpet/CarpetLib/src/region.cc
@@ -132,6 +132,8 @@ region_t::split (CCTK_REAL const ratio_new_over_old)
   outer_boundaries[idir][1] = false;
   newreg.outer_boundaries[idir][0] = false;
   
+  assert (not processors);
+  
   return newreg;
 }
 
@@ -161,6 +163,7 @@ combine_regions (vector<region_t> const & oldregs,
   {
     region_t const & reg = * ri;
     assert (reg.map == m);
+    assert (not reg.processors);
     comps += reg.extent;
     for (int f = 0; f < 2; ++ f) {
       for (int d = 0; d < dim; ++ d) {
-- 
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