Add code to resize the CSEMap hash table.  This doesn't speedup codegen of
kimwitu, but seems like a good idea from a "avoid performance cliffs" standpoint :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29675 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 6fd8ba2..1c17dfb 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -469,6 +469,7 @@
 SelectionDAG::~SelectionDAG() {
   while (!AllNodes.empty()) {
     SDNode *N = AllNodes.begin();
+    N->SetNextInBucket(0);
     delete [] N->OperandList;
     N->OperandList = 0;
     N->NumOperands = 0;