[Issue 19280] Remove unnecessary error checks in core.time.currSystemTick and currTime

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19280

Nathan S. <n8sh.secondary at hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Remove unnecessary error    |Remove unnecessary error
                   |checks in                   |checks in
                   |core.time.currSystemTick    |core.time.currSystemTick
                   |                            |and currTime

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