[sv-bc] Mantis 3069: Relax rules for $global_clock resolution

Hi SV-BC, SV-CC, and SV-EC,

Stu requested to review the backward compatibility introduced by Mantis 3069 "Relax rules for $global_clock resolution" (http://www.eda-stds.org/mantis/file_download.php?file_id=5338&type=bug) by your committees:

Stu -

   The proposed changes are not backward compatible with the 2009 standard.
   The proposal includes a note to this affect, but I am concerned that other
   committees, vendors and users have not been given an opportunity to consider
   the implications of this incompatibility. How much existing code will this
   proposal break, and at how many companies? How difficult will it be for
   EDA vendors to manage this incompatibility? Is there another way to solve
   what this proposal is trying to accomplish without breaking backward
   compatibility? I would prefer any concerns about backward compatibility be
   addressed by vendors and users before this standard goes to ballot.

Thanks,
Dmitry
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