From 6ebdee6ecea970abd005425958474593f3347f95 Mon Sep 17 00:00:00 2001
From: Oliver Sander <oliver.sander@tu-dresden.de>
Date: Wed, 30 May 2018 15:37:35 +0200
Subject: [PATCH] Initialize a pointer to silence a warning

---
 dune/gfe/riemanniantrsolver.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dune/gfe/riemanniantrsolver.cc b/dune/gfe/riemanniantrsolver.cc
index 8364deb9..67bb76e3 100644
--- a/dune/gfe/riemanniantrsolver.cc
+++ b/dune/gfe/riemanniantrsolver.cc
@@ -295,7 +295,7 @@ void RiemannianTrustRegionSolver<Basis,TargetSpace>::solve()
 {
     int rank = grid_->comm().rank();
 
-    MonotoneMGStep<MatrixType,CorrectionType>* mgStep;  // Non-shared pointer -- the innerSolver keeps the ownership
+    MonotoneMGStep<MatrixType,CorrectionType>* mgStep = nullptr;  // Non-shared pointer -- the innerSolver keeps the ownership
 
     // if the inner solver is a monotone multigrid set up a max-norm trust-region
     if (dynamic_cast<LoopSolver<CorrectionType>*>(innerSolver_.get())) {
-- 
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