[Issue 6459] Inline assembler does not work well for 64 bit registers R8..R15

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=6459

--- Comment #6 from Walter Bright <bugzilla at digitalmars.com> ---
> Other variations such as mov RAX,[0+1*R11] generate the wrong code (generates an instruction for RBX instead of R11).

This causes an assert failure now.

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