add failing spec for implicit rescues

Author: Josh Bodah

spec/indent/function_spec.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'function indenting' do
+  i <<~EOF
+    def hello_world do
+      hello
+    rescue
+      _ ->
+        IO.puts("hello")
+    end
+  EOF
+end