File: rdar-6600344-nil-receiver-undefined-struct-ret.m

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (26 lines) | stat: -rw-r--r-- 487 bytes parent folder | download | duplicates (15) 
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
 
// RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.core -analyzer-store=region -verify -Wno-objc-root-class %s
// expected-no-diagnostics

typedef struct Foo { int x; } Bar;

@interface MyClass {}
- (Bar)foo;
@end
@implementation MyClass
- (Bar)foo { 
  struct Foo f = { 0 };
  return f;
}
@end

void createFoo() {
  MyClass *obj = 0;  
  Bar f = [obj foo]; // no-warning
}

void createFoo2() {
  MyClass *obj = 0;  
  [obj foo]; // no-warning
  Bar f = [obj foo]; // no-warning
}