add AST unittests to CMake build system


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160640 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/AST/CMakeLists.txt b/unittests/AST/CMakeLists.txt
index 738e760..63418a2 100644
--- a/unittests/AST/CMakeLists.txt
+++ b/unittests/AST/CMakeLists.txt
@@ -1,5 +1,6 @@
 add_clang_unittest(ASTTests
   CommentLexer.cpp
+  CommentParser.cpp
   )
 
 target_link_libraries(ASTTests
diff --git a/unittests/CMakeLists.txt b/unittests/CMakeLists.txt
index aed97c3..989025a 100644
--- a/unittests/CMakeLists.txt
+++ b/unittests/CMakeLists.txt
@@ -10,6 +10,7 @@
 endfunction()
 
 add_subdirectory(ASTMatchers)
+add_subdirectory(AST)
 add_subdirectory(Basic)
 add_subdirectory(Lex)
 add_subdirectory(Frontend)