/* Testing for detecting duplicate ivars. */ /* { dg-do compile } */ @interface A { /* TODO: Have the testsuite check that these messages occur only once! */ char x; /* { dg-message "previous declaration" } */ char x; /* { dg-error "duplicate instance variable" } */ } @end /* In some versions of the compiler (eg, 4.6.x), having a subclass would generate additional, duplicate errors for the duplicate instance variable in the superclass, so adding the following would cause the error messages above to be duplicated. */ @interface B : A { char y; } @end