https://bugs.winehq.org/show_bug.cgi?id=36272
--- Comment #5 from Michael Stefaniuc mstefani@winehq.org --- Patch for the last non MMDRV_Init() based leak got committed: https://source.winehq.org/git/wine.git/?a=commit;h=5b96ed0207e5a871682bf8ff5...
But I'll let Austin validate my rationale and valgrind before resolving this bug.