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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [obj-c++.dg/] [private-2.mm] - Rev 818
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/* Test warnings for shadowing instance variables. */
/* Based on work by: Nicola Pero <nicola@brainstorm.co.uk>. */
/* { dg-do compile } */
#include <objc/objc.h>
@interface MySuperClass
{
@private
int _private;
@protected
int _protected;
@public
int _public;
}
- (void) test;
@end
@implementation MySuperClass
- (void) test
{
/* FIXME: I wonder if the warnings shouldn't be better generated
when the variable is declared, rather than used! */
int _private = 12;
int _protected = 12;
int _public = 12;
int a;
a = _private; /* { dg-warning "hides instance variable" } */
a = _protected; /* { dg-warning "hides instance variable" } */
a = _public; /* { dg-warning "hides instance variable" } */
}
@end
@interface MyClass : MySuperClass
@end
@implementation MyClass
- (void) test
{
int _private = 12;
int _protected = 12;
int _public = 12;
int a;
/* The private variable can be shadowed without warnings, because
* it's invisible, and not accessible, to the subclass! */
a = _private; /* Ok */
a = _protected; /* { dg-warning "hides instance variable" } */
a = _public; /* { dg-warning "hides instance variable" } */
}
@end
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