From: Daniel Arndt <daniel.arndt@iwr.uni-heidelberg.de>
Date: Mon, 13 May 2019 22:52:18 +0000 (+0200)
Subject: Create vector before assigning
X-Git-Tag: v9.1.0-rc1~12^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F8135%2Fhead;p=dealii.git

Create vector before assigning
---

diff --git a/source/lac/petsc_parallel_vector.cc b/source/lac/petsc_parallel_vector.cc
index da90e9ab77..69fcd36593 100644
--- a/source/lac/petsc_parallel_vector.cc
+++ b/source/lac/petsc_parallel_vector.cc
@@ -87,7 +87,13 @@ namespace PETScWrappers
 
     Vector::Vector(const Vector &v)
       : VectorBase()
+      , communicator(v.communicator)
     {
+      if (v.has_ghost_elements())
+        Vector::create_vector(v.size(), v.local_size(), v.ghost_indices);
+      else
+        Vector::create_vector(v.size(), v.local_size());
+
       this->operator=(v);
     }