[Issue 19188] New: Dub detects wrong(ish) platform on aarch64 systems

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19188

          Issue ID: 19188
           Summary: Dub detects wrong(ish) platform on aarch64 systems
           Product: D
           Version: D2
          Hardware: Other
                OS: All
            Status: NEW
          Severity: trivial
          Priority: P1
         Component: tools
          Assignee: nobody at puremagic.com
          Reporter: elpenguino+D at gmail.com

when dub is compiled on an aarch64 system, the architecture is detected as
arm_hardfloat. it's not wrong, but it's not accurate either. it should be
detected as aarch64.

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