minix/external/bsd/llvm/dist/clang/test/Analysis/nil-receiver-undefined-larger-than-voidptr-ret-region.m
Lionel Sambuc f4a2713ac8 Importing netbsd clang -- pristine
Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f
2014-07-28 17:05:57 +02:00

32 lines
644 B
Objective-C

// RUN: %clang_cc1 -triple i386-apple-darwin8 -analyze -analyzer-checker=core,alpha.core -analyzer-constraints=range -analyzer-store=region -verify -Wno-objc-root-class %s
// <rdar://problem/6888289> - This test case shows that a nil instance
// variable can possibly be initialized by a method.
@interface RDar6888289
{
id *x;
}
- (void) test:(id) y;
- (void) test2:(id) y;
- (void) invalidate;
@end
id *getVal(void);
@implementation RDar6888289
- (void) test:(id)y {
if (!x)
[self invalidate];
*x = y;
}
- (void) test2:(id)y {
if (!x) {}
*x = y; // expected-warning {{null}}
}
- (void) invalidate {
x = getVal();
}
@end