Make comments::Parser and comments::Sema noncopyable.

llvm-svn: 160702

clang/include/clang/AST/CommentParser.h

@@ -27,6 +27,9 @@ namespace comments {
 
 /// Doxygen comment parser.
 class Parser {
+  Parser(const Parser&);         // DO NOT IMPLEMENT
+  void operator=(const Parser&); // DO NOT IMPLEMENT
+
   friend class TextTokenRetokenizer;
 
   Lexer &L;

clang/include/clang/AST/CommentSema.h

@@ -30,6 +30,9 @@ class SourceMgr;
 namespace comments {
 
 class Sema {
+  Sema(const Sema&);           // DO NOT IMPLEMENT
+  void operator=(const Sema&); // DO NOT IMPLEMENT
+
   /// Allocator for AST nodes.
   llvm::BumpPtrAllocator &Allocator;