Put a higher penalty on breaking before "." or "->".

This fixes llvm.org/PR14823.

Before:
    local_state->SetString(prefs::kApplicationLocale, parent_local_state
                                ->GetString(prefs::kApplicationLocale));
After:
    local_state->SetString(
        prefs::kApplicationLocale,
        parent_local_state->GetString(prefs::kApplicationLocale));

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171705 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index 28f63aa..de794da 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -713,9 +713,14 @@
       "function(LoooooooooooooooooooooooooooooooooooongObject\n"
       "             ->loooooooooooooooooooooooooooooooooooooooongFunction());");
 
+  // Here, it is not necessary to wrap at "." or "->".
   verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaa) ||\n"
                "    aaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n"
                "}");
+  verifyFormat(
+      "aaaaaaaaaaa->aaaaaaaaa(\n"
+      "    aaaaaaaaaaaaaaaaaaaaaaaaa,\n"
+      "    aaaaaaaaaaaaaaaaaa->aaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa));\n");
 }
 
 TEST_F(FormatTest, WrapsTemplateDeclarations) {