[clang-format] Don't remove empty lines before namespace endings

Summary: This implements an alternative to r327861, namely preserving empty lines before namespace endings.

Reviewers: djasper

Reviewed By: djasper

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D45373

llvm-svn: 330324

1 files changed, 3 insertions, 2 deletions

diff --git a/clang/lib/Format/UnwrappedLineFormatter.h b/clang/lib/Format/UnwrappedLineFormatter.h
index 6432ca83a4c..756d99d6409 100644
--- a/clang/lib/Format/UnwrappedLineFormatter.h
+++ b/clang/lib/Format/UnwrappedLineFormatter.h
@@ -49,8 +49,9 @@ private:
   /// \brief Add a new line and the required indent before the first Token
   /// of the \c UnwrappedLine if there was no structural parsing error.
   void formatFirstToken(const AnnotatedLine &Line,
-                        const AnnotatedLine *PreviousLine, unsigned Indent,
-                        unsigned NewlineIndent);
+                        const AnnotatedLine *PreviousLine,
+                        const SmallVectorImpl<AnnotatedLine *> &Lines,
+                        unsigned Indent, unsigned NewlineIndent);
 
   /// \brief Returns the column limit for a line, taking into account whether we
   /// need an escaped newline due to a continued preprocessor directive.