[Distributed] Harden detecting adhoc req methods #80459
Merged
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Don't crash when missing protocol decls.
This issue manifested in crashing when in Xcode one would do the Archive workflow, and we would be missing the Distributed module types and proceed to run into a nullpointer when faced with code like this:
where the name matched one of the ad hoc requirements, but we'd get null for the protocol lookup since this does not import the distributed module.
resolves rdar://148327936
*I could not figure how to replicate the "Archive" behavior even though copying the exact command Xcode was doing hmm...