| // RUN: %clang_cc1 -triple i386-apple-darwin8 -analyze -analyzer-checker=core,experimental.core -analyzer-constraints=range -analyzer-store=region -verify %s |
| |
| // <rdar://problem/6888289> - This test case shows that a nil instance |
| // variable can possibly be initialized by a method. |
| typedef struct RDar6888289_data { |
| long data[100]; |
| } RDar6888289_data; |
| |
| @interface RDar6888289 |
| { |
| RDar6888289 *x; |
| } |
| - (RDar6888289_data) test; |
| - (RDar6888289_data) test2; |
| - (void) invalidate; |
| - (RDar6888289_data) getData; |
| @end |
| |
| @implementation RDar6888289 |
| - (RDar6888289_data) test { |
| if (!x) |
| [self invalidate]; |
| return [x getData]; |
| } |
| - (RDar6888289_data) test2 { |
| if (!x) {} |
| return [x getData]; // expected-warning{{The receiver of message 'getData' is nil and returns a value of type 'RDar6888289_data' that will be garbage}} |
| } |
| |
| - (void) invalidate { |
| x = self; |
| } |
| |
| - (RDar6888289_data) getData { |
| return (RDar6888289_data) { 0 }; |
| } |
| @end |
| |
