clang-format: Don't split a >>-operator.

Before (with column limit 60):
  aaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa >
      > aaaaa);

After:
  aaaaaaaaaaaaaaaaaaaaaaaaaaaa(
      aaaaaaaaaaaaaaaaaaaaaaaaaaaaa >> aaaaa);

(Not sure how that could have stayed in that long without being
detected..)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190854 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Format/TokenAnnotator.cpp b/lib/Format/TokenAnnotator.cpp
index f9b795e..ee91722 100644
--- a/lib/Format/TokenAnnotator.cpp
+++ b/lib/Format/TokenAnnotator.cpp
@@ -1430,6 +1430,9 @@
     return false;
   if (Right.isBinaryOperator() && Style.BreakBeforeBinaryOperators)
     return true;
+  if (Left.is(tok::greater) && Right.is(tok::greater) &&
+      Left.Type != TT_TemplateCloser)
+    return false;
   return (Left.isBinaryOperator() && Left.isNot(tok::lessless) &&
           !Style.BreakBeforeBinaryOperators) ||
          Left.isOneOf(tok::comma, tok::coloncolon, tok::semi, tok::l_brace,