73dcbd411b
Basically, the issue was that we should have unwrapped the base region before we special handle temp object regions. Fixes https://github.com/llvm/llvm-project/issues/66221 I also decided to add some extra range information to the diagnostics to make it consistent with the other reporting path.
26 lines
676 B
C++
26 lines
676 B
C++
// RUN: %clang_analyze_cc1 -analyzer-checker=core -verify %s
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using size_t = decltype(sizeof(int));
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void *operator new(size_t, void *p) { return p; }
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struct myfunction {
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union storage_t {
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char buffer[100];
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size_t max_align;
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} storage;
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template <typename Func> myfunction(Func fn) {
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new (&storage.buffer) Func(fn);
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}
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void operator()();
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};
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myfunction create_func() {
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int n;
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auto c = [&n] {};
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return c; // expected-warning {{Address of stack memory associated with local variable 'n' is still referred to by a temporary object on the stack upon returning to the caller. This will be a dangling reference}}
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}
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void gh_66221() {
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create_func()();
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}
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