| 1 | // RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -analyzer-config ipa=dynamic-bifurcate -verify -Wno-reinterpret-base-class -analyzer-config eagerly-assume=false %s |
| 2 | |
| 3 | void clang_analyzer_eval(bool); |
| 4 | |
| 5 | class A { |
| 6 | public: |
| 7 | virtual int get() { return 0; } |
| 8 | }; |
| 9 | |
| 10 | void testBifurcation(A *a) { |
| 11 | clang_analyzer_eval(a->get() == 0); // expected-warning{{TRUE}} expected-warning{{UNKNOWN}} |
| 12 | } |
| 13 | |
| 14 | void testKnown() { |
| 15 | A a; |
| 16 | clang_analyzer_eval(a.get() == 0); // expected-warning{{TRUE}} |
| 17 | } |
| 18 | |
| 19 | void testNew() { |
| 20 | A *a = new A(); |
| 21 | clang_analyzer_eval(a->get() == 0); // expected-warning{{TRUE}} |
| 22 | } |
| 23 | |
| 24 | |
| 25 | namespace ReinterpretDisruptsDynamicTypeInfo { |
| 26 | class Parent {}; |
| 27 | |
| 28 | class Child : public Parent { |
| 29 | public: |
| 30 | virtual int foo() { return 42; } |
| 31 | }; |
| 32 | |
| 33 | void test(Parent *a) { |
| 34 | Child *b = reinterpret_cast<Child *>(a); |
| 35 | if (!b) return; |
| 36 | clang_analyzer_eval(b->foo() == 42); // expected-warning{{UNKNOWN}} |
| 37 | } |
| 38 | } |
| 39 | |