File: loop-widening-preserve-reference-type.cpp

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llvm-toolchain-7 1%3A7.0.1-8
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// RUN: %clang_analyze_cc1 -analyzer-checker=core,unix.Malloc,debug.ExprInspection -analyzer-max-loop 4 -analyzer-config widen-loops=true -verify %s

void clang_analyzer_eval(int);

struct A {
  ~A() {}
};
struct B : public A {};

void invalid_type_region_access() {
  const A &x = B();
  for (int i = 0; i < 10; ++i) { }
  clang_analyzer_eval(&x != 0); // expected-warning{{TRUE}}
}                               // 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}}