Add QualType case to operator< for DynTypedNode.

This allows sorting DynTypedNode's which are QualType's since QualType does
not have memoization.

llvm-svn: 255875

1 files changed, 4 insertions, 0 deletions

diff --git a/clang/include/clang/AST/ASTTypeTraits.h b/clang/include/clang/AST/ASTTypeTraits.h
index 50ad9535a51..a1aad0bd2a5 100644
--- a/clang/include/clang/AST/ASTTypeTraits.h
+++ b/clang/include/clang/AST/ASTTypeTraits.h
@@ -271,6 +271,10 @@ public:
     if (!NodeKind.isSame(Other.NodeKind))
       return NodeKind < Other.NodeKind;
 
+    if (ASTNodeKind::getFromNodeKind<QualType>().isSame(NodeKind))
+      return getUnchecked<QualType>().getAsOpaquePtr() ==
+             Other.getUnchecked<QualType>().getAsOpaquePtr();
+
     if (ASTNodeKind::getFromNodeKind<TypeLoc>().isSame(NodeKind)) {
       auto TLA = getUnchecked<TypeLoc>();
       auto TLB = Other.getUnchecked<TypeLoc>();