<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/69065>69065</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            clang: version 18: Assertion `Result.isAbsent() && "local created multiple times"' failed.
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            clang
      </td>
    </tr>

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

    <tr>
      <th>Reporter</th>
      <td>
          wierton
      </td>
    </tr>
</table>

<pre>
    The bug trigger program:
```
extern void abort (void);

struct A { int i; int j; };
struct B { struct A *a; struct A *b; };
struct C { struct B *c; struct A *d; };
const struct C e = { &(struct B) { &(struct A) { 1, 2 }, &(struct A) { 3, 4 } }, &(struct A) { 5, 6 } };

int
main (void)
{
  if (e.c->a->i != 1 || e.c->a->j != 2)
    abort ();

  return 0;
}
```

When compile it with clang-18, clang-18 crashes (verification link: https://godbolt.org/z/PobvqGaxx)

The full stack dump:
```
clang: /root/llvm-project/clang/lib/AST/ExprConstant.cpp:1915: clang::APValue& {anonymous}::CallStackFrame::createLocal(clang::APValue::LValueBase, const void*, clang::QualType, {anonymous}::ScopeKind): Assertion `Result.isAbsent() && "local created multiple times"' 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 -S --gcc-toolchain=/opt/compiler-explorer/gcc-9.2.0 -fcolor-diagnostics -fno-crash-diagnostics -O0 <source>
1.      <source>:11:39: current parser token ')'
2.      <source>:10:1: parsing function body 'main'
3.      <source>:10:1: in compound statement ('{}')
 #0 0x000000000372dd18 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x372dd18)
 #1 0x000000000372b9dc llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x372b9dc)
 #2 0x00000000036742f8 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
 #3 0x00007f6423c66420 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x14420)
 #4 0x00007f642372900b raise (/lib/x86_64-linux-gnu/libc.so.6+0x4300b)
 #5 0x00007f6423708859 abort (/lib/x86_64-linux-gnu/libc.so.6+0x22859)
 #6 0x00007f6423708729 (/lib/x86_64-linux-gnu/libc.so.6+0x22729)
 #7 0x00007f6423719fd6 (/lib/x86_64-linux-gnu/libc.so.6+0x33fd6)
 #8 0x0000000006fbf4e2 (anonymous namespace)::CallStackFrame::createLocal(clang::APValue::LValueBase, void const*, clang::QualType, (anonymous namespace)::ScopeKind) ExprConstant.cpp:0:0
 #9 0x0000000006fbf5d8 clang::APValue& (anonymous namespace)::CallStackFrame::createTemporary<clang::Expr>(clang::Expr const*, clang::QualType, (anonymous namespace)::ScopeKind, (anonymous namespace)::LValue&) ExprConstant.cpp:0:0
#10 0x0000000006fcee83 Evaluate(clang::APValue&, (anonymous namespace)::EvalInfo&, clang::Expr const*) ExprConstant.cpp:0:0
#11 0x0000000006fd853f handleLValueToRValueConversion((anonymous namespace)::EvalInfo&, clang::Expr const*, clang::QualType, (anonymous namespace)::LValue const&, clang::APValue&, bool) ExprConstant.cpp:0:0
#12 0x000000000702fdf8 (anonymous namespace)::PointerExprEvaluator::VisitCastExpr(clang::CastExpr const*) ExprConstant.cpp:0:0
#13 0x0000000006fe7061 clang::StmtVisitorBase<llvm::make_const_ptr, (anonymous namespace)::PointerExprEvaluator, bool>::Visit(clang::Stmt const*) ExprConstant.cpp:0:0
#14 0x0000000006fe832b EvaluatePointer(clang::Expr const*, (anonymous namespace)::LValue&, (anonymous namespace)::EvalInfo&, bool) ExprConstant.cpp:0:0
#15 0x000000000701c0a8 (anonymous namespace)::LValueExprEvaluator::VisitMemberExpr(clang::MemberExpr const*) ExprConstant.cpp:0:0
#16 0x0000000006ff8364 clang::StmtVisitorBase<llvm::make_const_ptr, (anonymous namespace)::LValueExprEvaluator, bool>::Visit(clang::Stmt const*) ExprConstant.cpp:0:0
#17 0x0000000006ff9b7d EvaluateLValue(clang::Expr const*, (anonymous namespace)::LValue&, (anonymous namespace)::EvalInfo&, bool) ExprConstant.cpp:0:0
#18 0x0000000007013ffe (anonymous namespace)::IntExprEvaluator::VisitCastExpr(clang::CastExpr const*) ExprConstant.cpp:0:0
#19 0x0000000006fdff64 clang::StmtVisitorBase<llvm::make_const_ptr, (anonymous namespace)::IntExprEvaluator, bool>::Visit(clang::Stmt const*) ExprConstant.cpp:0:0
#20 0x0000000006fce8ce Evaluate(clang::APValue&, (anonymous namespace)::EvalInfo&, clang::Expr const*) ExprConstant.cpp:0:0
#21 0x0000000006fd126e (anonymous namespace)::DataRecursiveIntBinOpEvaluator::process((anonymous namespace)::DataRecursiveIntBinOpEvaluator::EvalResult&) ExprConstant.cpp:0:0
#22 0x0000000007030cd3 (anonymous namespace)::IntExprEvaluator::VisitBinaryOperator(clang::BinaryOperator const*) ExprConstant.cpp:0:0
#23 0x0000000006fe00fd clang::StmtVisitorBase<llvm::make_const_ptr, (anonymous namespace)::IntExprEvaluator, bool>::Visit(clang::Stmt const*) ExprConstant.cpp:0:0
#24 0x0000000006fce8ce Evaluate(clang::APValue&, (anonymous namespace)::EvalInfo&, clang::Expr const*) ExprConstant.cpp:0:0
#25 0x0000000006fd8b59 EvaluateAsRValue((anonymous namespace)::EvalInfo&, clang::Expr const*, clang::APValue&) ExprConstant.cpp:0:0
#26 0x0000000006fd97cf clang::Expr::EvaluateForOverflow(clang::ASTContext const&) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x6fd97cf)
#27 0x0000000006063055 clang::Sema::CheckForIntOverflow(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x6063055)
#28 0x00000000060baf0d clang::Sema::CheckCompletedExpr(clang::Expr*, clang::SourceLocation, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x60baf0d)
#29 0x00000000065420b4 clang::Sema::ActOnFinishFullExpr(clang::Expr*, clang::SourceLocation, bool, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x65420b4)
#30 0x0000000006439a5e clang::Sema::ActOnCondition(clang::Scope*, clang::SourceLocation, clang::Expr*, clang::Sema::ConditionKind, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x6439a5e)
#31 0x0000000005f77a83 clang::Parser::ParseParenExprOrCondition(clang::ActionResult<clang::Stmt*, true>*, clang::Sema::ConditionResult&, clang::SourceLocation, clang::Sema::ConditionKind, clang::SourceLocation&, clang::SourceLocation&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x5f77a83)
#32 0x0000000005f802c6 clang::Parser::ParseIfStatement(clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x5f802c6)
#33 0x0000000005f79b9e clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x5f79b9e)
#34 0x0000000005f7b188 clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x5f7b188)
#35 0x0000000005f7c0c9 clang::Parser::ParseCompoundStatementBody(bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x5f7c0c9)
#36 0x0000000005f7d9ea clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x5f7d9ea)
#37 0x0000000005eab6d1 clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x5eab6d1)
#38 0x0000000005ed2bd8 clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, clang::DeclaratorContext, clang::ParsedAttributes&, clang::SourceLocation*, clang::Parser::ForRangeInit*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x5ed2bd8)
#39 0x0000000005e9fb3b clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x5e9fb3b)
#40 0x0000000005ea026f clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (.part.0) Parser.cpp:0:0
#41 0x0000000005ea7c14 clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x5ea7c14)
#42 0x0000000005ea843d clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x5ea843d)
#43 0x0000000005e9b4ea clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x5e9b4ea)
#44 0x00000000049982a8 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x49982a8)
#45 0x00000000041fc4f9 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x41fc4f9)
#46 0x000000000417d9ce clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x417d9ce)
#47 0x00000000042db54e clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x42db54e)
#48 0x0000000000bef0e6 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xbef0e6)
#49 0x0000000000be69aa ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#50 0x0000000003fd9c19 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
#51 0x00000000036747a4 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x36747a4)
#52 0x0000000003fda20f 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
#53 0x0000000003fa23d5 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x3fa23d5)
#54 0x0000000003fa2e3d 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+0x3fa2e3d)
#55 0x0000000003faad65 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x3faad65)
#56 0x0000000000bec58c clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xbec58c)
#57 0x0000000000ae6751 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xae6751)
#58 0x00007f642370a083 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24083)
#59 0x0000000000be648e _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xbe648e)
clang: error: clang frontend command failed with exit code 134 (use -v to see invocation)
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzkW91y4zaTfRr6BiUVCf5f-EKWR1lnJ2Xv2JW9VIEgKCGmAAYAPfI-_RYAUhJo_c2ETiX1pTKyRIKN06cPukEQRFLSFSPk1ovvvPj-BrVqzcXtd0qE4uym4OX77cuagKJdASXoakUEaARfCbTxwpnn33v-zEv87n_zk2wVEQy8cVoCVHChgAcz_cuDuRfeddeYT6lEixWYAS-9A5QpQL3QfvlDf_HS-90FXdM703R_HZwh3fLwQHHi0vnhpXe6JR5eWg4vxZxJBXYGCPDCe2PGg4kHs96YB_OPR2f90cCDcwCNXTg_0SbUpyLd5ny7WJ9Kdu1cOilT9ssGUXbIum2Tdo0BoJU-S6Z44oVfkP6gwIOBdi4AXjr30jk4PPtHfxburAEA9tH9GFkABFGtYMDfn0jvj-rFfv7vmjCA-aahNQFUge9UrQGuEVtNgkw73X8HWCC5JtL4RwStKEaKcgZqyl69cAbWSjVSixMuPLhY8bLgtZpysfLg4v88uHjixdufv6Dtds-M-dQyr9q6BlIh_ArKdtOckrjBovvy4EJwrjy4qOu3zaQR_A-C9U_bAi5qWnhwMXt-8eDiy7YRcy0oxNQUN9p6kAexttMb9MLZ7Ol3VLfEgzrKd4hx9r7hrTTR1ufnqK6fNcKFQBtij2FBkCJfOUa1B7MjxsyPr-b7HZLE8GmkbRUy2xFsW_5Pi-qX98a0OwriGfOG_DdldkzPwExKIkwUvMT_RmRbqymVs0ISpqw-rJ4T4EFYa5zAYi7Bpq0VbWoCFN0Q6UHowRRUiNaknFq2n75-mT1_AbItNlQBZHKRII3WnuLDcFO1bosp5psuJh9DQ6VsdUcLgFgJKMN1WxKg1sQqCxQIvyqBsPG-EaQRHBMpSQkkb4U9rK9EUnJMjQ-iZUBiQRvVQX7-KCF_6vn5k02dAIlVuyFMyU5EvDGisfIXE7Jtai6I6IU0QT2_cqJEy149uCgo60-Dyar8jkQ1icBkBSZcW0RNo-22qmnVVILJRrMAJpNtlkyQ3EzkO1No64X3lClSg8kzmExWGE8U5zVeI8q88P4sMN04n8KpDyYV5jUXk5KiFeNSUSzBpGJ8Yvh0Dz_6wAvnHZHhF0tNoKlxDoezIPDCWWjEhVshCFOgQUISARR_JTq7pVp7MLUm4DETvv7QFvSVlK1A1TJsVKrrmjahE-XORnjWBrXpibes1BlCER0_m_xSnVp11k736dGDoQ_8rd__F6awLIMMGE2aMSTfpf3yJChTRjEvVnbZvpFA35dcKkHQxgygua6Odjhlf1k3Hrzztx0wB3kwQF7kJT6GfF4TxNrmkT3TFTO5p2VmPlGCmmv74-LUMByc0MGZpBGsMjDXqvtGMH8j4t0C-y_Eylp3l3XsOW3mnCmy7VOyb_7tugi7LtIqiWCIkySCPlguBZGKC7Ls61-X6LdZskyiSU1Zu52sWGtPNGotCCqnkk9940sQRdB3PImcblKY-34BBKKSXGEfa8uJsRyFvl84lmPXsp9lcX5Yua-1DGEW547lZGg53cX7apspdG2mrs0gr8rkx2yGYVUmjs3sUCVJVVQRgdrmrqwBhjZENmbs5eNWWTMLNqX2QpU9D-ew3oIj84iBaPOhx3GZnZpj_CwPL2TTcIHEuxfOD0xrcDp1OgTpg-OycLHt197Dy4zphOe7jGFCshB8eUN1ixQ5Hm2bji_A0CYeWMW71qc5uQZk4IIssziswNrkNuvuC_9m_s45eyNCUs7M0BkH4c9GzULrDQ07cdksOK-v48JJ_akPq7LKLiF54nqyI7TxLrRc2DO_U0nVHEll5OuEuz_6g7EK3ViR1E-CQ7-f1UaZXrkwuSKc7-vrBr2Spelu2ShxBcVHHevpNPOY3kfXNw3iB_2KBn5lISx2A6XDcWHwXz9yf3R4XS-f2JVPgH10UT4W2Cn1_EY2hQ2B6_7--A8ynbhMV1mYRJ-moGO-fY6A0oFbeZGWOwH1sf_H6ycb6CesKnKpswem_pbUM6j-ZVV9onA-OPUpqoEf6nOGyT-tPsNhfQ5gclEU90ihbwS3QtI38sDUHWWPzUAi3QrE5Vp-jTH9067QXDs5goNaG_q4DP-C2O8oQ-L9sSHCCuYweO65H-R_WHN9vyr_7cKP_g3Cj4cT0yLOdyBn8luf1T9lKnro9jVgB3W1zFNcDfva49EeLLh4fCOiqvn3AePPL93iwcH0Nu-WVkdb-egw7perYQjdKuonoR_HjtTJBnVFZE3w64KLB6aOO_Eh3uMBt7gc4O7NuF-gyi_PAJ_zTVMTRcqP1dEeGarh2Sze6Zt0ZW5_9kV9RLcMasctt-bGEfSL6LhbM6we2YIyKteLtq7_ql_Dv2P6ad049NNd00yiMEcxOePnnLOSWsBOHtQ38tf4eJmWvVz6rvoFgvH5sO46fDglP67SFGXhIb4ns2Z98P0JCcK0L4_iBDkzs0TdlWhnbUWXj44CJVqzQn0NIQfV_nq6zxB7xsSlLpJRA9Lx7QQEugHJfIiTswF5qJ771fyBSAfYx82NHTQHezgQU17k5Cz2HfJHcU9wjYSBOqsUETOlBC1aRaTzPOF5g-r6d4LNjOyEtkLYGmkNg_mh-1Jf1BXAC4EfytRefwjyaG_DFuOKR_PrBCAaBKAIsuwnAvBPYXxctjQZDlvxgC3s4_ws-nn3_GzH2h0v3z2YjZ6pOzAO2mSAtswJOot20T0sHKI9uEbH_IS2HZXYcje6frULjo_OrDAmqEjK4Cof70lF2ZFa9GQfnPba1nc5lzX6QjZNjRTRU_lTy76HV31FiuxH-1c6_kS0o8LhKnO5KmFRnh_rmoRfBG-bkxQ9NwR_dHVP3vGBezkVXpVMO6gLLr4htiIPjH4CjYYlh8bcpTGvirC4SOOjOBDeA1NEsOEztZ8sEB9anA3NDGMipT5HK6q5GJUsw8UhWZE_GJ8-TKqLZHVFxeHs5GAdnbIPd9tHKZs2SKipr39ZH47eekfBwP8UB9FZ_79srTbc4vo3-Dxu8tF-OkKAAyKyKCzPEvHCm6_kjdS24hwy8NigP1vypAazi122-kaqo3OL_QT_N162NXnYNFwoU-xGL1XWQYeBcJA3iuhIOTb75rIh6MO1-k-4zevAOGidiWGU5xlETrGY85L8Qpi9devvVwluFekO9XvgRsLYQXAwOtOxKKhwVDnTsYXQ5YeVR0CODs_27sBLXHhpmWPiUmg7fDBrd5gcZ_G0PyNrtkPouOBMryJYFnFE3CUKA3bvyduuZGfnPB054XTIHOjObMcvSOWTBGAcLO0OuIP7lZkQ6N0kjTleo4OVQZ1E5sA91u1wGdsDi89xIB84kOQIgZ7wefBissDx266HTVMf9cbkkf0l2sax5dxS0LcTFS129_hVZY6D3G762dvtdx0uhWHVnO03TXfPCjCq6wLh12XF3DRu--50Mw_mfLNBrBwO3qPRk6prxxvdO6qd5x3PSlC26oqDDe3uguUSb7dmA6YXzgokKV5K07xj0WmsDyyVQFTJ_vTAHKprPQ7s_W93frd0ZdP3bLdsbi_xYFqjTVEis6eypwpm_a7CX3lxPB7BcEdgiqKDUBzb92fPfGvZM6pI_e7QeT50o25vtFgPNR_DgbgQ9J3p4n-cOAZTzZMqCF3iEAzL-CRxJmroQ03s2XRS9-BC3eDUHe6ZprPBdoORnxd1DjtSioaMEHfCeQ0jv_JCnqbjV17oW3eHjnPpeKeABlEdfLMz93oGO5l8No_EnbbG8YBHVCYnlXV_8N2ZGhyZE5zi_2_kccxkZolxmEsGBRzHGbYo-zlIj9wkkVmXAi6X5xFnHRqTA9qZ8fmIJGkcgP7tqnF6tUadXrPBxmrkZyFYLmta6FyLhFoeQLh2q3Xku09K4g8zqigjwNofk1Ntdtdvr0pAhDB7QqwCQNXN5QHu9GlfALJvgZEt1REvCQjCSENrJQGTN6A4kIQAejDNzgeva92Ut2GZhzm6IbdBkqehH0A_vlnfZnER46CMYIwrXKDIr4IsrZCfwiyOYBHd0FvowzDwgyhIwhDG0yBLcBnhDJUIwjSPvcgnG0TrqVbolIvVjXmx6DbJ_SS-qVFBamneqoSwowN68f2NuDWvIxXtSnqRX1Op5N6CoqomtzuSuj28IMg-8R2rm1bUtz__EpVx9_8DAAD___zt4Uk">