clang-format: Fix crasher.

Caused by unknown tokens (e.g. "\n") not properly updating the state.

Example:
  const char* c = STRINGIFY(
  \na : b);

llvm-svn: 203645

1 files changed, 2 insertions, 3 deletions

diff --git a/clang/lib/Format/ContinuationIndenter.cpp b/clang/lib/Format/ContinuationIndenter.cpp
index a96f1680db7..17af2fa5f25 100644
--- a/clang/lib/Format/ContinuationIndenter.cpp
+++ b/clang/lib/Format/ContinuationIndenter.cpp
@@ -227,8 +227,8 @@ unsigned ContinuationIndenter::addTokenToState(LineState &State, bool Newline,
                                State.NextToken->WhitespaceRange.getEnd()) -
                            SourceMgr.getSpellingColumnNumber(
                                State.NextToken->WhitespaceRange.getBegin());
-    State.Column += WhitespaceLength + State.NextToken->ColumnWidth;
-    State.NextToken = State.NextToken->Next;
+    State.Column += WhitespaceLength;
+    moveStateToNextToken(State, DryRun, /*NewLine=*/false);
     return 0;
   }
 
@@ -349,7 +349,6 @@ unsigned ContinuationIndenter::addTokenOnNewLine(LineState &State,
 
   Penalty += State.NextToken->SplitPenalty;
 
-
   // Breaking before the first "<<" is generally not desirable if the LHS is
   // short. Also always add the penalty if the LHS is split over mutliple lines
   // to avoid unncessary line breaks that just work around this penalty.