in emacs -Q, with my org files, (org-link-search "*test") will hang in org 9maint, but not in org 8. debug on quit produces this re.
re-search-forward("^\\*+ +.*\\(?:COMMENT[ ]+\\)?\\(?:\\(?:[ ]\\|\\(?:[ ]*\\[[0-9]*\\(?:%\\|/[0-9]*\\)\\][ ]*\\)\\)+\\)?*test\\(?:\\(?:[ ]\\|\\(?:[ ]*\\[[0-9]*\\(?:%\\|/[0-9]*\\)\\][ ]*\\)\\)+\\)?" nil t) -- The Kafka Pandemic: http://thekafkapandemic.blogspot.com The disease DOES progress. MANY people have died from it. And ANYBODY can get it. Denmark: free Karina Hansen NOW. UPDATE 2016-10: home, but not fully free