Hack fix Issue 10380 - [AA] Wrong code using associative array as key type in associative array

Issue URL: https://d.puremagic.com/issues/show_bug.cgi?id=10380
Merge pull request #736 from denis-sh/hack-fix-Issue-10380

Hack fix Issue 10380 - [AA] Wrong code using associative array as key type in associative array