reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32

// RUN: %clang_analyze_cc1 -triple i386-apple-darwin8 -analyzer-checker=core,alpha.core -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