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Add new APIs for describing synchronous and rational clock domains. These deprecate and replace the old `derived` API for creating a synchronous clock domain derived from another. This change is necessary to, when coupled with property assertions, error when weaker synchronizers are used in places where stronger synchronizers are needed. E.g., this will allow us to error if a synchronous synchronizer is used to cross between clock domains which are asynchronous or rational. Assisted-by: Claude:claude-sonnet-4-6 Signed-off-by: Schuyler Eldridge <schuyler.eldridge@sifive.com>
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Add new APIs for describing synchronous and rational clock domains. These
deprecate and replace the old
derivedAPI for creating a synchronousclock domain derived from another.
This change is necessary to, when coupled with property assertions, error
when weaker synchronizers are used in places where stronger synchronizers
are needed. E.g., this will allow us to error if a synchronous
synchronizer is used to cross between clock domains which are asynchronous
or rational.
Assisted-by: Claude:claude-sonnet-4-6