clang-format: Prefer not to put lambdas on a single line.

Before:
  string abc =
      SomeFunction(aaaaaaaaaaaaa, aaaaa,
                   []() { SomeOtherFunctioooooooooooooooooooooooooon(); });

After:
  string abc = SomeFunction(aaaaaaaaaaaaa, aaaaa, []() {
    SomeOtherFunctioooooooooooooooooooooooooon();
  });

llvm-svn: 215197
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index bd55c9e..a171066 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -8819,6 +8819,9 @@
                "}");
   verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
                "    [](const aaaaaaaaaa &a) { return a; });");
+  verifyFormat("string abc = SomeFunction(aaaaaaaaaaaaa, aaaaa, []() {\n"
+               "  SomeOtherFunctioooooooooooooooooooooooooon();\n"
+               "});");
 
   // Lambdas with return types.
   verifyFormat("int c = []() -> int { return 2; }();\n");