mirror of https://github.com/microsoft/clang.git
29 lines
526 B
C++
29 lines
526 B
C++
// RUN: %clang_analyze_cc1 -analyzer-checker=core -std=c++11 -verify %s
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// expected-no-diagnostics
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typedef __typeof(sizeof(int)) size_t;
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void *operator new(size_t size, void *ptr);
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struct B {
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virtual void foo();
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};
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struct D : public B {
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virtual void foo() override {}
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};
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void test_ub() {
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// FIXME: Potentially warn because this code is pretty weird.
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B b;
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new (&b) D;
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b.foo(); // no-crash
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}
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void test_non_ub() {
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char c[sizeof(D)]; // Should be enough storage.
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new (c) D;
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((B *)c)->foo(); // no-crash
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}
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