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, 0 insertions, 2 deletions

diff --git a/llvm/tools/llvm-diff/DiffLog.h b/llvm/tools/llvm-diff/DiffLog.h
index cfdeec89d9e..8eb53ffffcc 100644
--- a/llvm/tools/llvm-diff/DiffLog.h
+++ b/llvm/tools/llvm-diff/DiffLog.h
@@ -40,8 +40,6 @@ namespace llvm {
   public:
     LogBuilder(Consumer &c, StringRef Format)
       : consumer(c), Format(Format) {}
-    // Relying on RVO, not actually copyable.
-    LogBuilder(const LogBuilder&);
 
     LogBuilder &operator<<(Value *V) {
       Arguments.push_back(V);