Thanks for reaching the support desk, the reported issue has been filed as an bug in our internal database for resolution.
We will get back to you once resolved.
Thanks and regards,
AMD x86 Open64 compiler support engineer.
The problem you reported has been fixed. And with many other fixes and performance improvements the new version of the Open64 Compiler 4.5.1 has been released. You can download and find more information at: http://developer.amd.com/tools/open64/Pages/default.aspx