clang-format: Don't bin-pack text-proto-formatted options.

Before:
  repeated double value = 1
      [(aaaaaaa.aaaaaaaaa) = {aaaaaaaaaaaaaaaa: AAAAAAAAAA,
                              bbbbbbb: BBBB, bbbb: BBB}];

After:
  repeated double value = 1
      [(aaaaaaa.aaaaaaaaa) = {aaaaaaaaaaaaaaaa: AAAAAAAAAA,
                              bbbbbbb: BBBB,
                              bbbb: BBB}];

llvm-svn: 207538
diff --git a/clang/unittests/Format/FormatTestProto.cpp b/clang/unittests/Format/FormatTestProto.cpp
index b3dd354..a448e22 100644
--- a/clang/unittests/Format/FormatTestProto.cpp
+++ b/clang/unittests/Format/FormatTestProto.cpp
@@ -88,6 +88,10 @@
   verifyFormat("repeated double value = 1\n"
                "    [(aaaaaaa.aaaaaaaaa) = {aaaaaaaaaaaaaaaa: AAAAAAAAAA\n"
                "                            bbbbbbbbbbbbbbbb: BBBBBBBBBB}];");
+  verifyFormat("repeated double value = 1\n"
+               "    [(aaaaaaa.aaaaaaaaa) = {aaaaaaaaaaaaaaaa: AAAAAAAAAA,\n"
+               "                            bbbbbbb: BBBB,\n"
+               "                            bbbb: BBB}];");
 }
 
 TEST_F(FormatTestProto, FormatsOptions) {