The other is that installation of the binary distribution for Windows will fail. These bugs are fixed in 0.9.1. The following is collected email of reported problems with release 0.9.x of the Mercury distribution. Included, where possible, are patches or work-arounds.
ALL useful software has bugs.
During the development of the Mercury implementation we have found bugs in gcc, as, ld, the dynamic loader, and even the OS kernel. We hope that by listing the known outstanding bugs here we are doing our users a service. It would be disappointing if anyone were to infer the wrong thing from it. Here's another small error in an error message. It's a bit misleading.