Implement resolving of HTML character references (named: &, decimal: *,
hex: ) during comment parsing.

Now internal representation of plain text in comment AST does not contain
character references, but the characters themselves.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160891 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/AST/CommentParser.cpp b/unittests/AST/CommentParser.cpp
index 47433ae..ff93195 100644
--- a/unittests/AST/CommentParser.cpp
+++ b/unittests/AST/CommentParser.cpp
@@ -54,7 +54,7 @@
   FileID File = SourceMgr.createFileIDForMemBuffer(Buf);
   SourceLocation Begin = SourceMgr.getLocForStartOfFile(File);
 
-  comments::Lexer L(Begin, CommentOptions(),
+  comments::Lexer L(Allocator, Begin, CommentOptions(),
                     Source, Source + strlen(Source));
 
   comments::Sema S(Allocator, SourceMgr, Diags);