llvm-project/clang/test/Analysis/rvo.cpp

26 lines
561 B
C++

// RUN: %clang_analyze_cc1 -analyzer-checker core,cplusplus -std=c++14 \
// RUN: -analyzer-checker debug.ExprInspection -verify %s
void clang_analyzer_eval(bool);
struct A {
int x;
};
A getA();
struct B {
int *p;
A a;
B(int *p) : p(p), a(getA()) {}
};
void foo() {
B b1(nullptr);
clang_analyzer_eval(b1.p == nullptr); // expected-warning{{TRUE}}
B b2(new int); // No leak yet!
clang_analyzer_eval(b2.p == nullptr); // expected-warning{{FALSE}}
// expected-warning@-1{{Potential leak of memory pointed to by 'b2.p'}}
}