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/* { dg-do compile } */ #include @protocol Foo - (id)meth1; - (id)meth2:(int)arg; @end @interface Derived1: Object @end @interface Derived2: Object + (Derived1 *)new; @end id

@class Base; @protocol _Protocol; @interface ClassA { } -(void) func1:(Base *)inTarget; @end int main() { ClassA* theA = 0; Base* myBase = 0; [theA func1:myBase]; return 0

/* Test protocol warning. */ /* Contributed by Devang Patel . */ /* { dg-do compile } */ typedef struct objc_object { struct objc_class *class_pointer; } *id; @protocol Bar @end

/* Test for graceful handling of missing protocol declarations. */ /* Author: Ziemowit Laski . */ /* { dg-do compile } */ @interface Foo /* { dg-error "cannot find proto

/* Crash due to descriptionFor(Instance|Class)Method applied to a protocol with no instance/class methods respectively. Problem report and original fix by richard@brainstorm.co.uk. */ /* { dg-d

/* Do not lose references to forward-declared protocols. */ /* { dg-do compile } */ @class MyBaseClass; @class MyClassThatFails; @protocol _MyProtocol; @interface MyClassThatFails - (MyBaseClass

/* { dg-do compile } */ @class Base; @protocol _Protocol; @interface ClassA { } -(void) func1:(Base *)inTarget; @end int main() { ClassA* theA = 0; Base* myBase = 0; [theA f

/* Don't forget to look in protocols if a class (and its superclasses) do not provide a suitable method. */ /* { dg-do compile } */ #include @protocol Zot -(void) zot; @end @int

/* Test for graceful handling of missing protocol declarations. */ /* Author: Ziemowit Laski . */ /* { dg-do compile } */ void *protRef = @protocol(Missing); /* { dg-error "cannot

/* Test for situations in which protocol conformance information may be lost, leading to superfluous warnings. */ /* Author: Ziemowit Laski . */ /* { dg-do compile } */ /* One-