From: David Wells <wellsd2@rpi.edu>
Date: Mon, 20 Feb 2017 21:22:42 +0000 (-0500)
Subject: Do not destroy a PETSc matrix twice.
X-Git-Tag: v8.5.0-rc1~104^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d5fa400c1547176f7db9491f9c6a50d7986d9ef8;p=dealii.git

Do not destroy a PETSc matrix twice.
---

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));