1 // RUN: %clang_analyze_cc1 -analyzer-checker=core,unix.Malloc,debug.ExprInspection -analyzer-max-loop 4 -analyzer-config widen-loops=true -verify %s
2
3 void clang_analyzer_eval(int);
4
5 struct A {
~AA6 ~A() {}
7 };
8 struct B : public A {};
9
invalid_type_region_access()10 void invalid_type_region_access() {
11 const A &x = B();
12 for (int i = 0; i < 10; ++i) { }
13 clang_analyzer_eval(&x != 0); // expected-warning{{TRUE}}
14 } // expected-warning@-1{{reference cannot be bound to dereferenced null pointer in well-defined C++ code; comparison may be assumed to always evaluate to true}}
15
16 using AR = const A &;
invalid_type_alias_region_access()17 void invalid_type_alias_region_access() {
18 AR x = B();
19 for (int i = 0; i < 10; ++i) {
20 }
21 clang_analyzer_eval(&x != 0); // expected-warning{{TRUE}}
22 } // expected-warning@-1{{reference cannot be bound to dereferenced null pointer in well-defined C++ code; comparison may be assumed to always evaluate to true}}
23