forked from OSchip/llvm-project
10dc9d80cb
Warn in cases where one has provided redundant protocol qualification that might be a typo for a specialization, e.g., NSArray<NSObject>, which is pointless (NSArray declares that it conforms to NSObject) and is likely to be a typo for NSArray<NSObject *>, i.e., an array of NSObject pointers. This warning is very narrow, only applying when the base type being qualified is parameterized, has the same number of parameters as their are protocols listed, all of the names can also refer to types (including Objective-C class types, of course), and at least one of those types is an Objective-C class (making this a typo for a missing '*'). The limitations are partly for performance reasons (we don't want to do redundant name lookup unless we really need to), and because we want the warning to apply in very limited cases to limit false positives. Part of rdar://problem/6294649. llvm-svn: 241547 |
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