reinterpret-cast.cpp revision 9f6441ad92c30028032eb3df6f4a7f2ebe393a68
1// RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -analyzer-ipa=inlining -verify %s
2
3void clang_analyzer_eval(bool);
4
5typedef struct Opaque *Data;
6struct IntWrapper {
7  int x;
8};
9
10struct Child : public IntWrapper {
11  void set() { x = 42; }
12};
13
14void test(Data data) {
15  Child *wrapper = reinterpret_cast<Child*>(data);
16  // Don't crash when upcasting here.
17  // We don't actually know if 'data' is a Child.
18  wrapper->set();
19  clang_analyzer_eval(wrapper->x == 42); // expected-warning{{TRUE}}
20}
21