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1// RUN: %clang_analyze_cc1 %s -verify \
2// RUN:   -analyzer-checker=core \
3// RUN:   -analyzer-config core.CallAndMessage:FunctionPointer=false \
4// RUN:   -analyzer-config core.CallAndMessage:ParameterCount=false \
5// RUN:   -analyzer-config core.CallAndMessage:CXXThisMethodCall=false \
6// RUN:   -analyzer-config core.CallAndMessage:CXXDeallocationArg=false \
7// RUN:   -analyzer-config core.CallAndMessage:ArgInitializedness=false \
8// RUN:   -analyzer-config core.CallAndMessage:ArgPointeeInitializedness=false \
9// RUN:   -analyzer-config core.CallAndMessage:NilReceiver=true \
10// RUN:   -analyzer-config core.CallAndMessage:UndefReceiver=false \
11// RUN:   -analyzer-output=plist -o %t.plist
12// RUN: cat %t.plist | FileCheck %s
13
14@interface Foo
15- (int &)ref;
16@end
17
18Foo *getFoo() { return 0; }
19
20void testNullPointerSuppression() {
21  getFoo().ref = 1;
22}
23
24void testPositiveNullReference() {
25  Foo *x = 0;
26  x.ref = 1; // expected-warning {{The receiver of message 'ref' is nil, which results in forming a null reference [core.CallAndMessage]}}
27}
28
29// TODO: If this hash ever changes, turn core.CallAndMessage:NilReceiver from a
30// checker option into a checker, as described in the CallAndMessage comments!
31// CHECK: <key>issue_hash_content_of_line_in_context</key>
32// CHECK-SAME: <string>abe2e0574dd901094c511bae2f93f926</string>
33