clang-format: Fix corner case in builder-type calls.

Before:
  aaaaaaaaaaaaa->aaaaaaaaaaaaaaaaaaaaaaaa()->aaaaaaaaaaaaaae(
                                                 0)->aaaaaaaaaaaaaaa();

After:
  aaaaaaaaaaaaa->aaaaaaaaaaaaaaaaaaaaaaaa()
      ->aaaaaaaaaaaaaae(0)
      ->aaaaaaaaaaaaaaa();

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@189655 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Format/ContinuationIndenter.cpp b/lib/Format/ContinuationIndenter.cpp
index 718e4a5..1029519 100644
--- a/lib/Format/ContinuationIndenter.cpp
+++ b/lib/Format/ContinuationIndenter.cpp
@@ -187,7 +187,9 @@
       State.ParenLevel == 0)
     return true;
   if (startsSegmentOfBuilderTypeCall(Current) &&
-      State.Stack.back().CallContinuation != 0)
+      (State.Stack.back().CallContinuation != 0 ||
+       (State.Stack.back().BreakBeforeParameter &&
+        State.Stack.back().ContainsUnwrappedBuilder)))
     return true;
   return false;
 }