From dff327351eb8642931e7d7b328224e29a9133eca Mon Sep 17 00:00:00 2001
From: Erik Schnetter <schnetter@gmail.com>
Date: Mon, 12 Aug 2013 10:56:32 -0400
Subject: CarpetLib: Correct memory allocation error in communication buffers

---
 Carpet/CarpetLib/src/commstate.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Carpet/CarpetLib/src/commstate.cc b/Carpet/CarpetLib/src/commstate.cc
index 08b3724db..532461db7 100644
--- a/Carpet/CarpetLib/src/commstate.cc
+++ b/Carpet/CarpetLib/src/commstate.cc
@@ -531,6 +531,11 @@ comm_state::~comm_state ()
 {
   DECLARE_CCTK_PARAMETERS;
   
+  // Note: calling resize(0) instead of clear() ensures that the
+  // vector capacity does not change
+  srequests.resize(0);
+  rrequests.resize(0);
+  
   for (size_t type=0; type<typebufs.size(); ++type) {
     typebufdesc& typebuf = typebufs.AT(type);
     for (size_t proc=0; proc<typebuf.procbufs.size(); ++proc) {
-- 
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