Done break between 'operator' and '<<'.

Before:
ostream &operator
    <<(ostream &out, some::ns::SomeReallyLongType WithSomeReallyLongValue);

After:
ostream &operator<<(ostream &out,
                    some::ns::SomeReallyLongType WithSomeReallyLongValue);

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175286 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index 0f4adfc..1d3e16f 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -1620,6 +1620,10 @@
   verifyFormat("void operator delete(void *ptr);");
   verifyFormat("void operator delete[](void *ptr);");
 
+  verifyFormat(
+      "ostream &operator<<(ostream &OutputStream,\n"
+      "                    SomeReallyLongType WithSomeReallyLongValue);");
+
   verifyGoogleFormat("operator void*();");
   verifyGoogleFormat("operator SomeType<SomeType<int>>();");
 }