[MachineOutliner] Fix uninitialized variable warnings. NFCI.
diff --git a/llvm/lib/CodeGen/MachineOutliner.cpp b/llvm/lib/CodeGen/MachineOutliner.cpp
index f26ebcb..c4c3f2f 100644
--- a/llvm/lib/CodeGen/MachineOutliner.cpp
+++ b/llvm/lib/CodeGen/MachineOutliner.cpp
@@ -252,7 +252,7 @@
/// Ukkonen's algorithm.
struct ActiveState {
/// The next node to insert at.
- SuffixTreeNode *Node;
+ SuffixTreeNode *Node = nullptr;
/// The index of the first character in the substring currently being added.
unsigned Idx = EmptyIdx;