Add regression spec for LOADED_FEATURES not expanding symlinks.

spec/regression/GH-1941_loaded_features_does_not_expand_symlinks_spec.rb

@@ -0,0 +1,21 @@
+unless RbConfig::CONFIG['host_os'] == 'mswin32'
+  require 'tempfile'
+  require 'fileutils'
+
+  describe "Paths added to $LOADED_FEATURES by require" do
+    it "do not expand symlinks" do
+      begin
+        dir = "GH1941"
+        Dir.mkdir(dir)
+        File.symlink(dir, dir + ".link")
+        file = File.open("GH1941/test.rb", "w")
+
+        expect($LOADED_FEATURES.inspect["GH1941"]).to eq(nil)
+      ensure
+        file.close rescue nil
+        FileUtils.rm_rf(dir) rescue nil
+        FileUtils.rm_rf(dir + ".link") rescue nil
+      end
+    end
+  end
+end