Revert r194865 and r194874.

This change is incorrect. If you delete virtual destructor of both a base class
and a subclass, then the following code:
  Base *foo = new Child();
  delete foo;
will not cause the destructor for members of Child class. As a result, I observe
plently of memory leaks. Notable examples I investigated are:
ObjectBuffer and ObjectBufferStream, AttributeImpl and StringSAttributeImpl.

llvm-svn: 194997

1 files changed, 0 insertions, 7 deletions

diff --git a/llvm/lib/Support/YAMLTraits.cpp b/llvm/lib/Support/YAMLTraits.cpp
index c20ce888ad3..f103ed8bcbe 100644
--- a/llvm/lib/Support/YAMLTraits.cpp
+++ b/llvm/lib/Support/YAMLTraits.cpp
@@ -59,13 +59,6 @@ void Input::setDiagHandler(SourceMgr::DiagHandlerTy Handler, void *Ctxt) {
   SrcMgr.setDiagHandler(Handler, Ctxt);
 }
 
-/// pin the vtables to this file
-void Input::HNode::anchor() {}
-void Input::EmptyHNode::anchor() {}
-void Input::ScalarHNode::anchor() {}
-void Input::MapHNode::anchor() {}
-void Input::SequenceHNode::anchor() {}
-
 bool Input::outputting() const {
   return false;
 }