forked from OSchip/llvm-project
56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -analyzer-config c++-allocator-inlining=true -std=c++11 -verify %s
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void clang_analyzer_eval(bool);
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typedef __typeof__(sizeof(int)) size_t;
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void *conjure();
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void exit(int);
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void *operator new(size_t size) throw() {
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void *x = conjure();
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if (x == 0)
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exit(1);
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return x;
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}
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struct S {
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int x;
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S() : x(1) {}
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~S() {}
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};
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void checkNewAndConstructorInlining() {
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S *s = new S;
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// Check that the symbol for 's' is not dying.
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clang_analyzer_eval(s != 0); // expected-warning{{TRUE}}
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// Check that bindings are correct (and also not dying).
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clang_analyzer_eval(s->x == 1); // expected-warning{{TRUE}}
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}
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struct Sp {
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Sp *p;
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Sp(Sp *p): p(p) {}
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~Sp() {}
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};
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void checkNestedNew() {
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Sp *p = new Sp(new Sp(0));
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clang_analyzer_eval(p->p->p == 0); // expected-warning{{TRUE}}
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}
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void checkNewPOD() {
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int *i = new int;
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clang_analyzer_eval(*i == 0); // expected-warning{{UNKNOWN}}
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int *j = new int();
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clang_analyzer_eval(*j == 0); // expected-warning{{TRUE}}
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int *k = new int(5);
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clang_analyzer_eval(*k == 5); // expected-warning{{TRUE}}
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}
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void checkTrivialCopy() {
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S s;
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S *t = new S(s); // no-crash
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clang_analyzer_eval(t->x == 1); // expected-warning{{TRUE}}
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}
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