[llvm] r368888 - Fix cppcheck + MSVC analyzer uninitialized member variable warning. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Wed Aug 14 10:41:37 2019
New Revision: 368888

URL: http://llvm.org/viewvc/llvm-project?rev=368888&view=rev
Log:
Fix cppcheck + MSVC analyzer uninitialized member variable warning. NFCI.

Modified:
    llvm/trunk/include/llvm/Support/GenericDomTree.h

Modified: llvm/trunk/include/llvm/Support/GenericDomTree.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/GenericDomTree.h?rev=368888&r1=368887&r2=368888&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/GenericDomTree.h (original)
+++ llvm/trunk/include/llvm/Support/GenericDomTree.h Wed Aug 14 10:41:37 2019
@@ -242,7 +242,7 @@ protected:
   using DomTreeNodeMapType =
      DenseMap<NodeT *, std::unique_ptr<DomTreeNodeBase<NodeT>>>;
   DomTreeNodeMapType DomTreeNodes;
-  DomTreeNodeBase<NodeT> *RootNode;
+  DomTreeNodeBase<NodeT> *RootNode = nullptr;
   ParentPtr Parent = nullptr;
 
   mutable bool DFSInfoValid = false;