[Issue 12800] Fibers are broken on Win64

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=12800

--- Comment #8 from github-bugzilla at puremagic.com ---
Commits pushed to master at https://github.com/D-Programming-Language/druntime

https://github.com/D-Programming-Language/druntime/commit/fc887f3a41f850c266812b56a4cd770acef7b044
fix Issue 12800 - Fibers are broken on Win64

- save non-volatile registers RSI and RDI

https://github.com/D-Programming-Language/druntime/commit/d30668171d145d9c31f47e47717d0787845ff58f
Merge pull request #1012 from MartinNowak/fix12800

fix Issue 12800 - Fibers are broken on Win64

--