https://issues.dlang.org/show_bug.cgi?id=12800
--- Comment #2 from [email protected] --- Commits pushed to master at https://github.com/D-Programming-Language/druntime https://github.com/D-Programming-Language/druntime/commit/02f4267adc9ab60a61aacc0aae4def9499c626ad fix Issue 12800 - Fibers are broken on Win64 Win64 version of the context switch used the wrong registers for parameters https://github.com/D-Programming-Language/druntime/commit/591b8d474c94161c749ee1800876e7f65ca0e634 Merge pull request #809 from jblume/master fix Issue 12800 - Fibers are broken on Win64 --
