Don't mistake `for' inside a function for a part of array comprehension

* lisp/progmodes/js.el (js--indent-in-array-comp): Also check the
depth in parens between the bracket and `for' (bug#23391).

* test/indent/js.js: Add a corresponding example.

1 files changed, 8 insertions, 0 deletions

diff --git a/test/indent/js.js b/test/indent/js.js
index 61c7b440ea3..23fae17b3ce 100644
--- a/test/indent/js.js
+++ b/test/indent/js.js
@@ -53,6 +53,14 @@ var p = {
 var evens = [e for each (e in range(0, 21))
                if (ed % 2 == 0)];
 
+var funs = [
+  function() {
+    for (;;) {
+    }
+  },
+  function(){},
+];
+
 !b
   !=b
   !==b