<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/149760>149760</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [analyzer] assertion failed at llvm/tools/clang/lib/StaticAnalyzer/Core/ExprEngine.cpp:593
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            clang:static analyzer,
            crash
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          k-arrows
      </td>
    </tr>
</table>

<pre>
    Reproducer:
https://godbolt.org/z/5era3fnoe
```cpp
struct A {
  A() { }
};
struct B {
  B(const A& = A()) { }
};
void f()
{
  B bs[3];
}

int main()
{
 f();
}
```

Backtrace:
```console
clang++: /root/llvm-project/llvm/tools/clang/lib/StaticAnalyzer/Core/ExprEngine.cpp:593: static clang::ento::ProgramStateRef clang::ento::ExprEngine::addObjectUnderConstruction(clang::ento::ProgramStateRef, const clang::ConstructionContextItem&, const clang::LocationContext*, clang::ento::SVal): Assertion `(!State->get<ObjectsUnderConstruction>(Key) || Key.getItem().getKind() == ConstructionContextItem::TemporaryDestructorKind || State->contains<IndexOfElementToConstruct>( {dyn_cast_or_null<CXXConstructExpr>(Init), LC})) && "The object is already marked as `UnderConstruction`, when it's not " "supposed to!"' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.      Program arguments: /opt/compiler-explorer/clang-assertions-trunk/bin/clang++ -gdwarf-4 -g -o /app/output.s -mllvm --x86-asm-syntax=intel -fno-verbose-asm -S --gcc-toolchain=/opt/compiler-explorer/gcc-snapshot -fcolor-diagnostics -fno-crash-diagnostics --analyze <source>
1.      <eof> parser at end of file
2.      While analyzing stack: 
        #0 Calling f() at line 14
        #1 Calling main()
3.      <source>:9:5: Error evaluating statement
4.      <source>:9:5: Error evaluating statement
 #0 0x0000000003fc1498 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3fc1498)
 #1 0x0000000003fbe8c4 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3fbe8c4)
 #2 0x0000000003f03098 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
 #3 0x0000770aac642520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x0000770aac6969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
 #5 0x0000770aac642476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #6 0x0000770aac6287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #7 0x0000770aac62871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
 #8 0x0000770aac639e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
 #9 0x0000000006528470 clang::ento::ExprEngine::addObjectUnderConstruction(llvm::IntrusiveRefCntPtr<clang::ento::ProgramState const>, clang::ConstructionContextItem const&, clang::LocationContext const*, clang::ento::SVal) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6528470)
#10 0x0000000006542b68 clang::ento::ExprEngine::updateObjectsUnderConstruction(clang::ento::SVal, clang::Expr const*, llvm::IntrusiveRefCntPtr<clang::ento::ProgramState const>, clang::LocationContext const*, clang::ConstructionContext const*, clang::ento::EvalCallOptions const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6542b68)
#11 0x000000000654aadd clang::ento::ExprEngine::handleConstructor(clang::Expr const*, clang::ento::ExplodedNode*, clang::ento::ExplodedNodeSet&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x654aadd)
#12 0x0000000006529d3a clang::ento::ExprEngine::Visit(clang::Stmt const*, clang::ento::ExplodedNode*, clang::ento::ExplodedNodeSet&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6529d3a)
#13 0x000000000652bdcd clang::ento::ExprEngine::ProcessStmt(clang::Stmt const*, clang::ento::ExplodedNode*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x652bdcd)
#14 0x00000000064e0bbb clang::ento::CoreEngine::HandlePostStmt(clang::CFGBlock const*, unsigned int, clang::ento::ExplodedNode*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x64e0bbb)
#15 0x00000000064e12a8 clang::ento::CoreEngine::dispatchWorkItem(clang::ento::ExplodedNode*, clang::ProgramPoint, clang::ento::WorkListUnit const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x64e12a8)
#16 0x00000000064e1611 clang::ento::CoreEngine::ExecuteWorkList(clang::LocationContext const*, unsigned int, llvm::IntrusiveRefCntPtr<clang::ento::ProgramState const>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x64e1611)
#17 0x00000000060a8727 (anonymous namespace)::AnalysisConsumer::HandleCode(clang::Decl*, unsigned int, clang::ento::ExprEngine::InliningModes, llvm::DenseSet<clang::Decl const*, llvm::DenseMapInfo<clang::Decl const*, void>>*) AnalysisConsumer.cpp:0:0
#18 0x00000000060aa35e (anonymous namespace)::AnalysisConsumer::HandleDeclsCallGraph(unsigned int) AnalysisConsumer.cpp:0:0
#19 0x00000000060abd63 (anonymous namespace)::AnalysisConsumer::HandleTranslationUnit(clang::ASTContext&) AnalysisConsumer.cpp:0:0
#20 0x000000000666650c clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x666650c)
#21 0x0000000004c64025 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4c64025)
#22 0x0000000004be0e6e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4be0e6e)
#23 0x0000000004d57b01 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4d57b01)
#24 0x0000000000d9ec4f cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xd9ec4f)
#25 0x0000000000d9582a ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#26 0x00000000049d7709 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const::'lambda'()>(long) Job.cpp:0:0
#27 0x0000000003f03534 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3f03534)
#28 0x00000000049d7d1f clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const (.part.0) Job.cpp:0:0
#29 0x0000000004999d6d clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4999d6d)
#30 0x000000000499adfe clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x499adfe)
#31 0x00000000049a3945 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49a3945)
#32 0x0000000000d9b0ff clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xd9b0ff)
#33 0x0000000000c4f5b4 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xc4f5b4)
#34 0x0000770aac629d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#35 0x0000770aac629e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#36 0x0000000000d952d5 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xd952d5)
clang++: error: clang frontend command failed with exit code 134 (use -v to see invocation)
Compiler returned: 134
```
</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJzkWl1z4yiX_jXkhpJLQrJkXeRCUezZzPRspzqZjzsXAmSzwaAClHbm12-BZMtS4nQyk8xu1duVVMfW4fCc53xwQGBj-EYydgnmV2B-fYFbu1X68iHAWqvv5qJS9OnyG2u0oi1hGsQFCIuttY1xf6IVQKuNopUSdqb0BqDVXwCt5kzjuJaKgbAAadj9kKYBYWGsbomFBQTZFQgLCAuAFgDl7jME2bUbkV2D-GqQvTrKXgG0IEoa60alEMTXh-FnNDwqTmHdi7jvez2wMmB-FYN5L9cPCwsuLdxhLqdDDjpOpQ-GdSOvMHmwGhPWUTSYraRRwjFBBJYbgK7cT1xAgFZaKQvQSojHXdBo9T-MHD4CtLJKCQPQqh-2ErwCaHVnseWkkFg8_cU0QKtSaQbQarlv9FJuuGQzR3RczPPYzWK8POyUxAWICyat6v661Wqj8c6pZN9Y_bLQoLj7jCn9Wjmkv0nKdOm84bzElePsLdMAVMLOiSfSp3pKJS3b2xvLdgClL4p_UQSfiAJUeLGXZr_7HQvvuQIWxjDthkHnGufQyIMKQLzcMAvisrPMPDctXgK0-IU9dXFWgqyEv7Cn2Yb1MF1wuE-_cEkPAR1fuwA9Z5kHd892jdJYP12zTkhpp-EwxREdUdJiLg2IyxtJ2f5rvRRsx6S9V0f9HUaXBfRJrgk2dq30WrZCgLgs__zzKOg82gnfSG598pTwS-miuk8kx3oKAUL3WwaV5wRyA7HQDNMnuMP6gVGIjePxOVeO2xJ-3zIJnfrMQKms0-Z-Tds0yjAKrQIoAggBlMEac8HoDITF7ZdlcbeEpq123EIMq3YDNWuUttAqOKk73G7bakbUbkiaSSpxY1rmkghiSSGXRLSUQbtlkGhstrA6Ji0qYaNdmSPMOHhGtbr72o3ExijCsWUU6lZCQzRvrMN7ZzF5gLTdNV3ahzMQ5n3AQ6w3rXOS6dNdNQ4TUbuGC6YDtm-E0j6JfeQG-BCfJrC6lQ8ArSpXilYnlQMGG_od6zpIYLCBgXJ6cdM47a1tWjszMNg5FmAQ7BdpgM0uME_S4j2Ir7m0TMCglip4ZLpShrnnMLiDQbAhJHAlh2xd-YuvX8XrhI3EjdkqC4OaKKF0QDneSGUsJ6abw3M8_jrAXeWCIC57iuMlCIvI8QbikqkaxEvYYG2YhthCJilUNay5L6HIif2x5YLBThGXG1fiyIOn2BXiHKA4hCUWwj3r67bTJLhkMEqOQtFRaFTw4x7JgC4uXPWYuxmWWisN2SMWLbb93NYnIgiL5G-PhB5zuA8P_-KaREm-gD6qfaUwT-ZQTbm0Puzuu8BdDEIaf18rYzXDh8rJpe0yevFB8QfQVbjv4XWEQc_lCHzFFiR5CXwpGJZt81Xe8Y10dXnRSt9_UCiUm-IToHowA1Q0hhrGYb6ApYvUb4yoR6afOmz_hSUVbsZFz-FIpq_k_Vob-t9Of9zrz7IQY5ImaI7C3qhuBd8v0nWaBILLdh9sZNs9IDOjZqmH7IcMgJOxwjzNawIbu3W1eP3AhXifdj9-0D6fwk2yFG6Mp-C9sJMsHRSnY8VokdUxxJWr5O9S6wcOarNnaqPq3QqjalC4GCuMc5an71PohwwK89MAS-dokWThB7RWQzbdSKtbwx9dM1VKe2s1iMsfdl5dE-XX_fINnVcv3vdfZzuvg9gP-6-Pzuue2L5JR3EUjmlPUJUu3kZ721Bs2dnW70xX29k1MtopHhHyWT57oxNecO2P_bV8xMItjF8b74aTOPgEH3ovDT6MJj7EmNK3-XDrq_XRYKXHbnvmmXNKhaKM_rei7K1yd-zzyHHmD-SgSV3JaYzfRs7v3LhG_JSQO7t7Syz8_yLEmzwQEk8IqSh5Y7Tcdm2-I-FDaPkMW501g63JyNaEhVVVvQyuVJqd2tr1MbfK2OfmlqufroQiDyOTjx2Z73v-7yjojBwomE8oiBA-U-CnFFBuGmzJ9g-lH_rt-t8I974w36rXeHFTfOHG_ia5_dTS2dk_sJNO2Umj6G3sLPeMtJYdkI_JeW2lmQbKB652n8JXGkUDX9mIrxAvMpS5SbFU8mmnWgMl3jHT-C1W3oH1p26GG7fMtLvuMPSQYKWPmVPqrhkR70ypUZG6kYJLLje_KsrMmN9rJo0vtCNW3YRn2g8_4Ffc3Mha_WDQo-LU712XfV5PrZ7seRyZiwmZOJ6zf0KmA2VcE_KTxs32dJfY78XegCmfYKpoGv8TTPcaSyN8Mvwmp8tpcXd_PIpM3wYQjRvWNE3n4eic9hZrw4q7-8kKxXa478orpcTw_8enTAfpmDJo1J0lJE1CND8FvNKOAkmL_sj0pLgcjkQ_FmGPYUA4apGSioUsZeOGuJvzRhqLJRkXwOKFdn9i0qeU8h7nYMWor0noPKvCaLzN8HgHYx77Ij1Z3KfGfsoy3eMb0I86lZDmjCQ1JCRa96dsQ1EqtMZP31jtCtIWn_Tn_X5n9N2hMn2KER3KwYb5xIb5AmF4oL2M7n3CnVhyt8NC_M7cvuNm14gXDUrHFdnpmCyqPrio5o8vlovRAp_kNMvC3FNyorRupQ_Utfas-qeHF1fLToRgISpMHta1HC8E3cR96JRRqXY7LOk0i1_0nrG9nPJ7RuwIOCHHai43XnLZu_Y4YL0m-30UdR8qbDhZGy_eUzgSdl-srcbcmsPjiToshEsFpU-e9-vYoUz68OkbjcK_SsgE3lUUA5QNVKHF4TjyZ1W94Ixseog4j0_PO186KuyefGvlHa6ZeBpx-brfPuNQ1CMeAn4xDS4ajV4H_scFh2N81mBtZ-H5KMjHrOU5TelZ1rzX8LOV8UDlqHRPBjqBc-dxr4gWoz7hxLAPrf-d2cdQGr_HSPIc05q9l5SfVWXOM_KzqtxGZcTIa7X4GAEN5s75z5vwV0nsw-RfodKRNVA5brhyHOfJ_Bzs65O_Rw3CC53BORf8i1R-fB_S0TOQhyZreBXWfUk7dCIH8L6UFM_2TOdW6A_vPRyyAfeo-wtJUs-rxL-h_OiJO9XDxJP3TCin-TtfXPkhg8L5VCFLQrheuzFrY7G26xOz3jwFS06mSKeNGqJz2Cn_eD855d3Uk5s8TGu3qhRdeMG63zRA0sd_d70Bfud2C9neHwxRBqM4cRhbw2DwCK2ChjHIT5p5N9OhiYea2VZL5tLPjTy9YXRBL2Oaxzm-YJdRNo_DNEdpdLG9jLIwqrN6QVnOQrJYkDyKMkLDmGVZVJPqgl-iEM3DDEVhnERhNItInUcorROGU5LhBCQh22EuZi4tZkpvLvyNissoybM0vBC4YsL4q2MIHYpAf-MIH68oIYBK99w1Re7T_PpCX_qLGlW7MSAJBTfWDFNYboW_j3ZUMb-GRz8d2MQWfthFqYtWi8u_f7mkZ-PxEv1vAAAA__88PRnZ">