38 lines
857 B
C++
38 lines
857 B
C++
// RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -analyzer-config ipa=dynamic-bifurcate -verify %s
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void clang_analyzer_eval(bool);
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class A {
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public:
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virtual int get() { return 0; }
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};
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void testBifurcation(A *a) {
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clang_analyzer_eval(a->get() == 0); // expected-warning{{TRUE}} expected-warning{{UNKNOWN}}
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}
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void testKnown() {
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A a;
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clang_analyzer_eval(a.get() == 0); // expected-warning{{TRUE}}
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}
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void testNew() {
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A *a = new A();
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clang_analyzer_eval(a->get() == 0); // expected-warning{{TRUE}}
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}
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namespace ReinterpretDisruptsDynamicTypeInfo {
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class Parent {};
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class Child : public Parent {
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public:
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virtual int foo() { return 42; }
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};
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void test(Parent *a) {
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Child *b = reinterpret_cast<Child *>(a);
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if (!b) return;
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clang_analyzer_eval(b->foo() == 42); // expected-warning{{UNKNOWN}}
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}
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}
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