Initialize RawCommentList::BriefTextValid when deserializing AST.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159246 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/AST/RawCommentList.h b/include/clang/AST/RawCommentList.h
index d670fd1..73816b7 100644
--- a/include/clang/AST/RawCommentList.h
+++ b/include/clang/AST/RawCommentList.h
@@ -121,7 +121,7 @@
   /// \brief Constructor for AST deserialization.
   RawComment(SourceRange SR, CommentKind K, bool IsTrailingComment,
              bool IsAlmostTrailingComment) :
-    Range(SR), RawTextValid(false), Kind(K),
+    Range(SR), RawTextValid(false), BriefTextValid(false), Kind(K),
     IsTrailingComment(IsTrailingComment),
     IsAlmostTrailingComment(IsAlmostTrailingComment),
     BeginLineValid(false), EndLineValid(false)