r53765 (like bug No 34039 against r53757) crashes when you attempt to visit any web page. Mac OS 10.4.11 - PPC No Safari extensions.
Created attachment 47282 [details] Crash log.
See also: bug 34039.
*** This bug has been marked as a duplicate of bug 34039 ***
Tested loading with r53845 which is greater than r53815. Basic usability restored. 10.4.11 - G4 PPC - No Safari Extensions.