YouCompleteMe/cpp/llvm/tools/clang/test/Analysis/nil-receiver-undefined-larger-than-voidptr-ret-region.m
Strahinja Val Markovic 1f51a89d39 Adding more llvm/clang files
These were ignored by git accidentally. We want ALL OF THEM since they all came
in the llvm/clang source distribution.
2012-07-05 17:55:45 -07:00

33 lines
651 B
Objective-C

// RUN: %clang_cc1 -triple i386-apple-darwin8 -analyze -analyzer-checker=core,experimental.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