http://bugs.winehq.org/show_bug.cgi?id=58203
--- Comment #10 from Bernhard Übelacker bernhardu@mailbox.org --- Created attachment 78539 --> http://bugs.winehq.org/attachment.cgi?id=78539 plsql-58203-testcase.patch
I hope this is of some help - I could extract a minimal testcase which triggers the same memory usage. For this to work the floating pont exceptions need to get disabled, I guess like Delphi programs do by default.