clang-format: Fix indenting corner case with comment and else.

Before:
  if (a) {
    f();
  }
      // or else ..
      else {
    g();
  }

After:
  if (a) {
    f();
  }
  // or else ..
  else {
    g();
  }

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@193684 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index 639b8c8..5852d1c 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -374,6 +374,13 @@
                "  g();\n"
                "else\n"
                "  h();");
+  verifyFormat("if (a) {\n"
+               "  f();\n"
+               "}\n"
+               "// or else ..\n"
+               "else {\n"
+               "  g()\n"
+               "}");
 }
 
 TEST_F(FormatTest, FormatsForLoop) {