clang-format: [JS] Improve empty array literal detection.

Previously, the [] in the following example were recognized as an array
subscript leading to weird indentation.

Before:
  var aaaa = aaaaa || // wrap
                          [];

After:
  var aaaa = aaaaa || // wrap
             [];

llvm-svn: 256753

1 files changed, 2 insertions, 0 deletions

diff --git a/clang/unittests/Format/FormatTestJS.cpp b/clang/unittests/Format/FormatTestJS.cpp
index cba2ce3370c..d42eed6048f 100644
--- a/clang/unittests/Format/FormatTestJS.cpp
+++ b/clang/unittests/Format/FormatTestJS.cpp
@@ -310,6 +310,8 @@ TEST_F(FormatTestJS, ArrayLiterals) {
                "      ccccccccccccccccccccccccccc\n"
                "    ],\n"
                "    aaaa);");
+  verifyFormat("var aaaa = aaaaa ||  // wrap\n"
+               "    [];");
 
   verifyFormat("someFunction([], {a: a});");
 }