Arnold Schwaighofer 850f65cb27 IRGen: Gracefully handle protocol forward declaration references without definitions ...

```
 @protocol DeclarationOnly;

 @protocol DeclarationOnlyUser<DeclarationOnly>
 - (void) printIt;
 @end
```

This should not be neccessary, but the compiler currently accepts cases
like the one in the test case added.

rdar://101828847

2022-11-07 14:41:39 -08:00

4.4 KiB

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