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Daiva Naudziuniene e4ff4b500a [pulse][nullptr][objc] Add nil summaries for ObjC instance methods ... Summary: When a method is called in ObjC on nil, there is no NPE, the method is actually not called and the return value is 0/false/nil. (There is an exception in the case where the return type is non-POD. In that case it's UB. This will be addressed later). To implement this behaviour we add additional summary to ObjC instance methods {self = 0} {return = 0}. We also want to make sure that inferred summary will not be used in we call a method on nil, hence, we add a path condition {self > 0} to get a contradiction when needed. Reviewed By: jvillard Differential Revision: D26664187 fbshipit-source-id: cdac2a5bb		4 years ago
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c	[uninit] Revise error message to include access paths	4 years ago
c_cpp/pulse	[pulse] Loosen fieldname comparison in state	4 years ago
cpp	[liveness] ignore most dead stores when the variable has been passed by reference	4 years ago
dotnet	Infer# integration (#1361)	4 years ago
java	[ConfigImpact] Only report on functions that occur on a given json config data	4 years ago
objc	[ConfigImpact] Only report on functions that occur on a given json config data	4 years ago
objcpp	[pulse][nullptr][objc] Add nil summaries for ObjC instance methods	4 years ago