Add DeclarationName::dump().

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88876 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclarationName.cpp b/lib/AST/DeclarationName.cpp
index 8664c50..d003594 100644
--- a/lib/AST/DeclarationName.cpp
+++ b/lib/AST/DeclarationName.cpp
@@ -310,6 +310,10 @@
   return DeclarationName(Ptr);
 }
 
+void DeclarationName::dump() const {
+  fprintf(stderr, "%s\n", getAsString().c_str());
+}
+
 DeclarationNameTable::DeclarationNameTable() {
   CXXSpecialNamesImpl = new llvm::FoldingSet<CXXSpecialName>;