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cac7821438
`std::aligned_storage` is deprecated with C++23, see [here](https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2021/p1413r3.pdf). This replaces the usages of `std::aligned_storage` within compiler-rt with an aligned `std::byte` array. I will provide patches for other subcomponents as well.
34 lines
978 B
C++
34 lines
978 B
C++
// RUN: %clangxx_tsan -O1 --std=c++17 %s -o %t && %deflake %run %t 2>&1 | FileCheck %s
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#include "custom_mutex.h"
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#include <cstddef>
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// Test that we detect the destruction of an in-use mutex when the
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// thread annotations don't otherwise disable the check.
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int main() {
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alignas(Mutex) std::byte mu1_store[sizeof(Mutex)];
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Mutex* mu1 = reinterpret_cast<Mutex*>(&mu1_store);
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new(&mu1_store) Mutex(false, 0);
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mu1->Lock();
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mu1->~Mutex();
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mu1->Unlock();
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alignas(Mutex) std::byte mu2_store[sizeof(Mutex)];
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Mutex* mu2 = reinterpret_cast<Mutex*>(&mu2_store);
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new(&mu2_store)
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Mutex(false, __tsan_mutex_not_static, __tsan_mutex_not_static);
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mu2->Lock();
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mu2->~Mutex();
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mu2->Unlock();
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fprintf(stderr, "DONE\n");
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return 0;
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}
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// CHECK: WARNING: ThreadSanitizer: destroy of a locked mutex
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// CHECK: main {{.*}}custom_mutex5.cpp:14
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// CHECK: WARNING: ThreadSanitizer: destroy of a locked mutex
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// CHECK: main {{.*}}custom_mutex5.cpp:22
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// CHECK: DONE
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