March 16
In x64 I regularly get privileged instruction errors. This happens for exceptions. In x86 the excepts are shown normally.

There seems to be a bug in windows x64 exception handling, again, it works fine for x86 and reports the exception.
March 16
On Saturday, 16 March 2019 at 23:53:16 UTC, Michelle Long wrote:
> In x64 I regularly get privileged instruction errors. This happens for exceptions. In x86 the excepts are shown normally.
>
> There seems to be a bug in windows x64 exception handling, again, it works fine for x86 and reports the exception.

Can you open an issue in bugzilla with instructions to reproduce? https://issues.dlang.org/