Revert "Remove the explicit SDNodeIterator::operator= in favor of the implicit default"

Accidentally committed a few more of these cleanup changes than
intended. Still breaking these out & tidying them up.

This reverts commit r231135.

llvm-svn: 231136

1 files changed, 1 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/LiveInterval.cpp b/llvm/lib/CodeGen/LiveInterval.cpp
index e1aee4d898a..d60b0b1a504 100644
--- a/llvm/lib/CodeGen/LiveInterval.cpp
+++ b/llvm/lib/CodeGen/LiveInterval.cpp
@@ -743,6 +743,7 @@ void LiveRange::flushSegmentSet() {
       segments.empty() &&
       "segment set can be used only initially before switching to the array");
   segments.append(segmentSet->begin(), segmentSet->end());
+  delete segmentSet;
   segmentSet = nullptr;
   verify();
 }