[weak vtables] Remove a bunch of weak vtables

This patch removes most of the trivial cases of weak vtables by pinning them to
a single object file.

Differential Revision: http://llvm-reviews.chandlerc.com/D2068

Reviewed by Andy

llvm-svn: 194865

1 files changed, 9 insertions, 0 deletions

diff --git a/llvm/lib/Support/YAMLParser.cpp b/llvm/lib/Support/YAMLParser.cpp
index 9e506128bc2..38303b4c015 100644
--- a/llvm/lib/Support/YAMLParser.cpp
+++ b/llvm/lib/Support/YAMLParser.cpp
@@ -96,6 +96,15 @@ static EncodingInfo getUnicodeEncoding(StringRef Input) {
 
 namespace llvm {
 namespace yaml {
+/// pin the vtables to this file
+void Node::anchor() {}
+void NullNode::anchor() {}
+void ScalarNode::anchor() {}
+void KeyValueNode::anchor() {}
+void MappingNode::anchor() {}
+void SequenceNode::anchor() {}
+void AliasNode::anchor() {}
+
 /// Token - A single YAML token.
 struct Token : ilist_node<Token> {
   enum TokenKind {