23 lines · cpp
1// RUN: %clang_analyze_cc1 -analyzer-checker=core,unix.Malloc,debug.ExprInspection -analyzer-max-loop 4 -analyzer-config widen-loops=true -verify %s2 3void clang_analyzer_eval(int);4 5struct A {6 ~A() {}7};8struct B : public A {};9 10void 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 16using AR = const A &;17void 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