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Author SHA1 Message Date
Devin Coughlin 8acf4ef934 [Analyzer] Fix crash in ObjCPropertyChecker on protocol property 
Fix a crash in the ObjCPropertyChecker when analyzing a 'copy' property of an
NSMutable* type in a protocol.

rdar://problem/30766684

Differential Revision: https://reviews.llvm.org/D30482

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@296562 91177308-0d34-0410-b5e6-96231b3b80d8
 2017-03-01 01:47:37 +00:00
Artem Dergachev bcb98cc244 [analyzer] Detect ObjC properties that are both (copy) and Mutable. 
When an Objective-C property has a (copy) attribute, the default setter
for this property performs a -copy on the object assigned.

Calling -copy on a mutable NS object such as NSMutableString etc.
produces an immutable object, NSString in our example.
Hence the getter becomes type-incorrect.

rdar://problem/21022397

Differential Revision: https://reviews.llvm.org/D27535


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@289554 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-12-13 17:19:18 +00:00