llvm-project/clang/test/Analysis/loop-widening.cpp

28 lines
837 B
C++

// RUN: %clang_analyze_cc1 -verify %s \
// RUN: -analyzer-checker=core \
// RUN: -analyzer-config widen-loops=true \
// RUN: -analyzer-config track-conditions=false \
// RUN: -analyzer-max-loop 2 -analyzer-output=text
namespace pr43102 {
class A {
public:
void m_fn1();
};
bool g;
void fn1() {
A a;
A *b = &a;
for (;;) { // expected-note{{Loop condition is true. Entering loop body}}
// expected-note@-1{{Loop condition is true. Entering loop body}}
// expected-note@-2{{Value assigned to 'b'}}
// no crash during bug report construction
g = !b; // expected-note{{Assuming 'b' is null}}
b->m_fn1(); // expected-warning{{Called C++ object pointer is null}}
// expected-note@-1{{Called C++ object pointer is null}}
}
}
} // end of namespace pr43102