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1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s2 3struct __objcFastEnumerationState; 4@implementation MyList // expected-warning {{cannot find interface declaration for 'MyList'}}5- (unsigned int)countByEnumeratingWithState: (struct __objcFastEnumerationState *)state objects: (id *)items count:(unsigned int)stackcount6{7 return 0;8}9@end10 11 12int LOOP(void);13 14@implementation MyList (BasicTest) 15- (void)compilerTestAgainst {16MyList * el; 17 for (el in @"foo") 18 { LOOP(); }19}20@end21 22 23static int test7(id keys) {24 for (id key; in keys) ; // expected-error {{use of undeclared identifier 'in'}}25}26