clang-format: Fix regression in formatting of braced initializers.

Before:
  Node n{1, Node{1000}, //
                2};

After:
  Node n{1, Node{1000}, //
         2};

llvm-svn: 216540
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index bf69d8b..7f1cc5a 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -5466,6 +5466,8 @@
   verifyFormat("int foo(int i) { return fo1{}(i); }");
   verifyFormat("auto i = decltype(x){};");
   verifyFormat("std::vector<int> v = {1, 0 /* comment */};");
+  verifyFormat("Node n{1, Node{1000}, //\n"
+               "       2};");
 
   // In combination with BinPackParameters = false.
   FormatStyle NoBinPacking = getLLVMStyle();