fix crash for commands when no design were loaded

The-OpenROAD-Project / OpenROAD

OpenROAD's unified application implementing an RTL-to-GDS Flow. Documentation at https://openroad.readthedocs.io/en/latest/

https://theopenroadproject.org/

BSD 3-Clause "New" or "Revised" License

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Closed arthurjolo closed 2 weeks ago

arthurjolo commented 2 weeks ago

Fixes #4993

This PR adds a check on commands to prevent them from crashing if no design was loaded.

github-actions[bot] commented 2 weeks ago

clang-tidy review says "All clean, LGTM! :+1:"

github-actions[bot] commented 2 weeks ago

clang-tidy review says "All clean, LGTM! :+1:"