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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231136 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 2 deletions

diff --git a/utils/TableGen/AsmMatcherEmitter.cpp b/utils/TableGen/AsmMatcherEmitter.cpp
index 12bb075eec9..909ecd4665f 100644
--- a/utils/TableGen/AsmMatcherEmitter.cpp
+++ b/utils/TableGen/AsmMatcherEmitter.cpp
@@ -441,8 +441,6 @@ struct MatchableInfo {
     : AsmVariantID(0), AsmString(Alias->AsmString), TheDef(Alias->TheDef), DefRec(Alias.release()) {
   }
 
-  MatchableInfo(const MatchableInfo&) = default;
-
   ~MatchableInfo() {
     delete DefRec.dyn_cast<const CodeGenInstAlias*>();
   }