Remove obsolete variable as discovered in post-commit review.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@182796 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Format/UnwrappedLineParser.cpp b/lib/Format/UnwrappedLineParser.cpp
index f20e109..341952b 100644
--- a/lib/Format/UnwrappedLineParser.cpp
+++ b/lib/Format/UnwrappedLineParser.cpp
@@ -627,7 +627,6 @@
 
   // FIXME: Once we have an expression parser in the UnwrappedLineParser,
   // replace this by using parseAssigmentExpression() inside.
-  bool StartOfExpression = true;
   do {
     // FIXME: When we start to support lambdas, we'll want to parse them away
     // here, otherwise our bail-out scenarios below break. The better solution
@@ -635,7 +634,6 @@
     switch (FormatTok->Tok.getKind()) {
     case tok::l_brace:
       parseBracedList();
-      StartOfExpression = false;
       break;
     case tok::r_brace:
       nextToken();
@@ -645,11 +643,9 @@
       return;
     case tok::comma:
       nextToken();
-      StartOfExpression = true;
       break;
     default:
       nextToken();
-      StartOfExpression = false;
       break;
     }
   } while (!eof());