From d5fa400c1547176f7db9491f9c6a50d7986d9ef8 Mon Sep 17 00:00:00 2001
From: David Wells <wellsd2@rpi.edu>
Date: Mon, 20 Feb 2017 16:22:42 -0500
Subject: [PATCH] Do not destroy a PETSc matrix twice.

---
 source/lac/petsc_parallel_sparse_matrix.cc | 1 -
 1 file changed, 1 deletion(-)

diff --git a/source/lac/petsc_parallel_sparse_matrix.cc b/source/lac/petsc_parallel_sparse_matrix.cc
index 069667ac51..87626f8eaa 100644
--- a/source/lac/petsc_parallel_sparse_matrix.cc
+++ b/source/lac/petsc_parallel_sparse_matrix.cc
@@ -196,7 +196,6 @@ namespace PETScWrappers
       this->communicator = communicator;
 
       // get rid of old matrix and generate a new one
-      destroy_matrix (matrix);
       const PetscErrorCode ierr = destroy_matrix (matrix);
       AssertThrow (ierr == 0, ExcPETScError (ierr));
 
-- 
2.39.5