clang-format: Properly indent method calls without inputs.

Before:
  [aaaaaaaaaaa
          aaaaaaa];

After:
  [aaaaaaaaaaa
      aaaaaaa];

llvm-svn: 236597
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index ea15312..c044149 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -7144,6 +7144,8 @@
                "             fraction:1.0\n"
                "       respectFlipped:NO\n"
                "                hints:nil];");
+  verifyFormat("[aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
+               "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa];");
 
   verifyFormat(
       "scoped_nsobject<NSTextField> message(\n"