<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/93058>93058</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [AArch64] `target_version` multiversioned function crashes when defined as friend function
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

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

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

<pre>
    https://godbolt.org/z/h1oE1sMb6

```c++
struct X {
    friend void foo[[gnu::target_version("sve")]]() {}
};
```

```
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: /cmake-build-debug/clang++ -target aarch64-linux-gnu -fsyntax-only test.cpp
1.      test.cpp:2:54: current parser token '}'
2.      test.cpp:1:1: parsing struct/union/class body 'X'
3. test.cpp:2:53: parsing function body 'foo'
4.      test.cpp:2:53: in compound statement ('{}')
 #0 0x000055f307f0ac2d llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /llvm/llvm-project/llvm/lib/Support/Unix/Signals.inc:723:11
 #1 0x000055f307f0b11b PrintStackTraceSignalHandler(void*) /llvm/llvm-project/llvm/lib/Support/Unix/Signals.inc:798:1
 #2 0x000055f307f09186 llvm::sys::RunSignalHandlers() /llvm/llvm-project/llvm/lib/Support/Signals.cpp:105:5
 #3 0x000055f307f0a4ae llvm::sys::CleanupOnSignal(unsigned long) /llvm/llvm-project/llvm/lib/Support/Unix/Signals.inc:368:1
 #4 0x000055f307e36d74 (anonymous namespace)::CrashRecoveryContextImpl::HandleCrash(int, unsigned long) /llvm/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:0:7
 #5 0x000055f307e37112 CrashRecoverySignalHandler(int) /llvm/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:391:1
 #6 0x00007fdc916ac520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #7 0x000055f307e6ca3c llvm::SmallVectorBase<unsigned int>::size() const /llvm/llvm-project/llvm/include/llvm/ADT/SmallVector.h:91:32
 #8 0x000055f30cae31dd clang::sema::CompoundScopeInfo const* llvm::SmallVectorTemplateCommon<clang::sema::CompoundScopeInfo, void>::reserveForParamAndGetAddressImpl<llvm::SmallVectorTemplateBase<clang::sema::CompoundScopeInfo, true> >(llvm::SmallVectorTemplateBase<clang::sema::CompoundScopeInfo, true>*, clang::sema::CompoundScopeInfo const&, unsigned long) /llvm/llvm-project/llvm/include/llvm/ADT/SmallVector.h:244:35
 #9 0x000055f30cae3175 llvm::SmallVectorTemplateBase<clang::sema::CompoundScopeInfo, true>::reserveForParamAndGetAddress(clang::sema::CompoundScopeInfo&, unsigned long) /llvm/llvm-project/llvm/include/llvm/ADT/SmallVector.h:549:5#10 0x000055f30caba6a6 llvm::SmallVectorTemplateBase<clang::sema::CompoundScopeInfo, true>::push_back(clang::sema::CompoundScopeInfo) /llvm/llvm-project/llvm/include/llvm/ADT/SmallVector.h:575:23
#11 0x000055f30caab2f3 clang::Sema::PushCompoundScope(bool) /llvm/llvm-project/clang/lib/Sema/Sema.cpp:2291:1#12 0x000055f30dc0aee5 clang::Sema::ActOnStartOfCompoundStmt(bool) /llvm/llvm-project/clang/lib/Sema/SemaStmt.cpp:397:1
#13 0x000055f30c9cda63 clang::Sema::CompoundScopeRAII::CompoundScopeRAII(clang::Sema&, bool) /llvm/llvm-project/clang/include/clang/Sema/Sema.h:866:5
#14 0x000055f30c9c9d22 clang::Parser::ParseCompoundStatementBody(bool) /llvm/llvm-project/clang/lib/Parse/ParseStmt.cpp:1186:27
#15 0x000055f30c9cb847 clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) /llvm/llvm-project/clang/lib/Parse/ParseStmt.cpp:2518:21
#16 0x000055f30c9be9c0 clang::Parser::ParseLexedMethodDef(clang::Parser::LexedMethod&) /llvm/llvm-project/clang/lib/Parse/ParseCXXInlineMethods.cpp:0:3
#17 0x000055f30c9be459 clang::Parser::LexedMethod::ParseLexedMethodDefs() /llvm/llvm-project/clang/lib/Parse/ParseCXXInlineMethods.cpp:321:1
#18 0x000055f30c9bd43a clang::Parser::ParseLexedMethodDefs(clang::Parser::ParsingClass&) /llvm/llvm-project/clang/lib/Parse/ParseCXXInlineMethods.cpp:574:33
#19 0x000055f30c9658da clang::Parser::ParseCXXMemberSpecification(clang::SourceLocation, clang::SourceLocation, clang::ParsedAttributes&, unsigned int, clang::Decl*) /llvm/llvm-project/clang/lib/Parse/ParseDeclCXX.cpp:3826:5
#20 0x000055f30c963ac1 clang::Parser::ParseClassSpecifier(clang::tok::TokenKind, clang::SourceLocation, clang::DeclSpec&, clang::Parser::ParsedTemplateInfo&, clang::AccessSpecifier, bool, clang::Parser::DeclSpecContext, clang::ParsedAttributes&) /llvm/llvm-project/clang/lib/Parse/ParseDeclCXX.cpp:2269:7
#21 0x000055f30c9a0430 clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&, clang::Parser::ParsedTemplateInfo&, clang::AccessSpecifier, clang::Parser::DeclSpecContext, clang::Parser::LateParsedAttrList*, clang::ImplicitTypenameContext) /llvm/llvm-project/clang/lib/Parse/ParseDecl.cpp:4607:23
#22 0x000055f30c8f6aa2 clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&, clang::Parser::ParsedTemplateInfo&, clang::AccessSpecifier, clang::Parser::DeclSpecContext, clang::Parser::LateParsedAttrList*) /llvm/llvm-project/clang/include/clang/Parse/Parser.h:2496:5
#23 0x000055f30c8ef428 clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) /llvm/llvm-project/clang/lib/Parse/Parser.cpp:1158:7
#24 0x000055f30c8eef4e clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) /llvm/llvm-project/clang/lib/Parse/Parser.cpp:1271:12#25 0x000055f30c8ee7ca clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) /llvm/llvm-project/clang/lib/Parse/Parser.cpp:1074:14
#26 0x000055f30c8ec60c clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) /llvm/llvm-project/clang/lib/Parse/Parser.cpp:763:12
#27 0x000055f30c8ebcb0 clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) /llvm/llvm-project/clang/lib/Parse/Parser.cpp:608:8
#28 0x000055f30c8e729b clang::ParseAST(clang::Sema&, bool, bool) /llvm/llvm-project/clang/lib/Parse/ParseAST.cpp:162:15
#29 0x000055f30941a871 clang::ASTFrontendAction::ExecuteAction() /llvm/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1194:1
#30 0x000055f30941a28c clang::FrontendAction::Execute() /llvm/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1082:7
#31 0x000055f30933830a clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) /llvm/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:1061:23
#32 0x000055f3095f360e clang::ExecuteCompilerInvocation(clang::CompilerInstance*) /llvm/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:280:8
#33 0x000055f306062ce1 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) /llvm/llvm-project/clang/tools/driver/cc1_main.cpp:232:13
#34 0x000055f3060556b2 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) /llvm/llvm-project/clang/tools/driver/driver.cpp:215:5
#35 0x000055f30605615d clang_main(int, char**, llvm::ToolContext const&)::$_0::operator()(llvm::SmallVectorImpl<char const*>&) const /llvm/llvm-project/clang/tools/driver/driver.cpp:355:7
#36 0x000055f30605612d int llvm::function_ref<int (llvm::SmallVectorImpl<char const*>&)>::callback_fn<clang_main(int, char**, llvm::ToolContext const&)::$_0>(long, llvm::SmallVectorImpl<char const*>&) /llvm/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:45:5
#37 0x000055f3091b88b1 llvm::function_ref<int (llvm::SmallVectorImpl<char const*>&)>::operator()(llvm::SmallVectorImpl<char const*>&) const /llvm/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:68:5
#38 0x000055f3091b5588 clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, bool*) const::$_1::operator()() const /llvm/llvm-project/clang/lib/Driver/Job.cpp:440:34
#39 0x000055f3091b5555 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, bool*) const::$_1>(long) /llvm/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:45:5
#40 0x000055f306b16459 llvm::function_ref<void ()>::operator()() const /llvm/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:68:5
#41 0x000055f307e36b8a llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) /llvm/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:427:3
#42 0x000055f3091b4eeb clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, bool*) const /llvm/llvm-project/clang/lib/Driver/Job.cpp:440:7
#43 0x000055f3091502ef clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const /llvm/llvm-project/clang/lib/Driver/Compilation.cpp:199:15
#44 0x000055f3091504f7 clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&, bool) const /llvm/llvm-project/clang/lib/Driver/Compilation.cpp:253:13
#45 0x000055f30916b0b2 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) /llvm/llvm-project/clang/lib/Driver/Driver.cpp:1942:7
#46 0x000055f30605518b clang_main(int, char**, llvm::ToolContext const&) /llvm/llvm-project/clang/tools/driver/driver.cpp:391:9
#47 0x000055f306087f85 main /cmake-build-debug/tools/clang/tools/driver/clang-driver.cpp:17:3
#48 0x00007fdc91693d90 __libc_start_call_main ./csu/../sysdeps/nptl/libc_start_call_main.h:58:16
#49 0x00007fdc91693e40 call_init ./csu/../csu/libc-start.c:128:20
#50 0x00007fdc91693e40 __libc_start_main ./csu/../csu/libc-start.c:379:5
#51 0x000055f306053ea5 _start (/cmake-build-debug/clang+++0x5a59ea5)
clang++: error: clang frontend command failed with exit code 139 (use -v to see invocation)
clang version 19.0.0git (https://github.com/llvm/llvm-project.git 919df9d75ac2a721a8072327c803f34486884571)
Target: aarch64-unknown-linux-gnu
Thread model: posix
InstalledDir: /cmake-build-debug/bin
Build config: +unoptimized, +assertions
clang++: note: diagnostic msg:
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang++: note: diagnostic msg: /tmp/test-ac25ab.cpp
clang++: note: diagnostic msg: /tmp/test-ac25ab.sh
clang++: note: diagnostic msg:

********************
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzsW11T4zjW_jXmRkXKlr8vuDCB9DAv_UI1mV3uKFmWEy225JVkGubXb0m2E8skgQA9VfsxxTRGlo-e8-jo6Bx9ICnpihFy5oTnTnhxglq15uLsO1WoyuSaP57kvHg5WyvVSMfPHLhw4GLFi5xXasbFyoGLPx24WHv80pPf88hxLxw36_-N3O4HO_Bc_5hSqUSLFbgHTtyXAABAKShhBXjitAAl5wbN-Yq1uk0_U0isiHp4IkJSzhyYOBDKJ-JA6MDUCS_0jy5MjdD4om8_vnD88wmWnQC7P2-vL7O7SyDbvKYKIJC3KyBIw4UCioMJBVSt23yGee3ARVU9Db9OG8H_QbBy4IJK2RLpwAVArACU4aotCFBrArBAcg1yhB-VQJg4cA4aQRrBMZGSFEDyVnTF-kskJccUKVIA0TIgsaCNmnWQ7xTCj6Bo60YjM0XuDNwKvhKoBkis2powpWEDBy5wjR7Jad7SqjgtSN7q3sMVYquuf8BpxzNASOB1FJxWlLXPpyvWgtNSvjCFnk85q16AIlLNcNN0DXozYP7blPoZdPwsDHSruBWCMAUaJCQRQPFHwoADY903MO4EwNcCvP5_8x1lK9BZjQMXLTMWoHFLCbRxanH3G2H-7BUQfyyobBlWlLPNp9raho-DPaoYCZQBzOuGt6wAUiFFNLXA2F3cmx2MtT12Ru1A3wXus-u6bhiWvhuXLsKwAMZYjFXLF9k93ArKlOnKZWcPybaSQD8fuFSCoNqBkbYJypSx9H12N5TS3IGLu7bRBuzAxR-MPusCumKokjPKsONnMdSqed4WszfBnHteDiYAOxm_IVZURDgw0aPWgdnXoUoT0_8bUHACKvWSaBeRP1pmYZODVzgS1QCnN0Y31EawheNP-zVAZBeceUUQa5ubHpQDk5YZd1uAiutR90V8-dGEr8ACSPyoiANtqYhx9lLzVgKGaiIbY2xpD1Y7pR8E8yciXuacKfKsruqm6t52hJo6DkyMCc7Bp7XZ1WZPuqvtYKtRONEo9jwIrM-nRvnBYXIAkp96Ns1RDyouC5x6EcIhdDuH0It9TqKHsR_tXuCZ5LPIgefucwBD6Fo-I7YVjTDy8ci27mpUVX8jWHFxjiRx_PmmE7TC_mVvgvRP0ts-5kyqN2nop6dtQXax1Lxsm5utHT8zDPhwCzcZw8WI-F5RgG5O6YCQGvX21fvOO8wbcsVK3iFzYLZbvSWpmwopMud1zZnjz98nVdul8UcDFYJIIp7IgotbJFCdseIbUVlRCCJlZ9_zg-33NL-_dSVa4viXQCMYe_IvlG2c7fxInqMPDdl3GgYM9HTvj5xk-soy4vBwT3-YjTf72YHJe6X-UpbCIDUzCfQ916YnRxGKfiU9TSvXDzrkPIKLr9M71jMo9PuwG_qeZ6uPclj6Y3u-2-C6beXawubAJOe8Ogivj2oH766Fdb-GqA72vhz6nhVcFNhFhIS7oWRY3bA7hYS6KTeQVK0-hUgL2Eww8XaC0dCsQAOnuEDRHpYshn5kV1f7iq3e72AYk3-3AtsuH0rG9OreTqJoGy9pNYKJGmkB4ViNW5McjJ635PZh9jkvXo5n2cgafo949rxEIxyifg0xnEDMkyA-CHHR5xFTiKNvLgiuXnvqV5J6o46-QDEYejoShCMTimzFcpJi9yCca_JMiu9ErXlxQUpbo3HlUb1PgJ_f31-xijLSSZKj6G_kLeKpEkGY7lNijGufVm_mBccj9qFnj91kgrkIfHQE8XI_87ddKjvXGfDXUx_GZiYfsW_P5GkUJsVhTeb3999JnRNx1xBMS4qR6pZtxq7HrHFc8-GdNUYOvjRNFJlSguatInI6Z_fJya6B-DGi9Ofz-_uhoxNouzfoTvjxEfYO86N7rufG5Cqjyoo_dg9L_kjY_1FWHMONhqoF95wcAlEMccUo7hnVzzAmFshhitgrdWi7T5re02tf0R8QRuk2V9T9YccWKXID_7DL0wKRMHxuFJavffkvI_bjhA4-DymyJfiamrRqUl_nOhRTtXxpiM7-N1I_3gl9DwSRG9vhHbRiKpyUEUKHZ_z_1C74UEBlET3kV-nE69ixYULKACZvUnwjhrjlgpRXTBHRrUu97V6PrkHZan-PveqBjxmh2AR0YWL7gGDCDikD8l4DtEiijL6evH4JR9MB-9UcwdhEKFDTE07pifHhKf3yubOVEU1_DSWfVNo10YwXbC0jmqiOIxcfVH3Jm2vyRKouihjrfNOgf7bkVgk7LdcVvwneNj9IaRZrpnpu07bvvGgrclU3XCiTSXxiWhx0jiO_6-eNyvFE5RznhyfEBRVS_bvpHbnaByRbtZOJ2jFM81dqZ3fLN3LiI3LjHeiyu-VgixHU_45cuBVYp4GHktgKHLO75ULomYcVmfFHXfHlM8GtIn3RUZnMIG702InZONI0sNIYew9LY4SJNVwOAPxiaG4CLR9vb1Wlvp_4ruXE5rxuaEXEFZMKMUx2s7dfl6NMcgR_2u5GgcizwyR7XysNSz9yrVmqx7oV-MR35VKvFD3KcQ7Il8bKF3vbHOLtxLWGmb0bFrkRxMQDGHsPNaLMWgHPhEAvxjnM8RqJzQaAcRZzYJcN6_jv1EVxXkkHLgpBn_RkuRgQDLB9M_pG5Ac27jCMcggG7edeR8fu9ft-3-C1EsZtbD_RMvrQcbQK_xFtuodBFy-0YkF7dyxyw8gL-12YoROGpHiNhGE0exfQ7qUDgwe3e-QNEUhx0Q3tj9Dz5obU-yjww9B2BtErCqBZChgpOWz9PwhjgrTbvT9eg82aOkZVlSP8-FBu9qe-kG-ze2T2H-a7NwYO0_zRpfvl9RD9ouryWQkkTQISTEzOiilSL0-S3PuVXP8FlvcxYsze-4iYZEJMGCZWXtbbc-e4596c1zVixXTi3Ok0pSoGMjoY9t6lEpStutgL9C5188XDA35-9rzujxxJih-kqd-zZVXWBQ9KIKrk8HoiDlWVnhW42L4H233JLl7KNpRvzdrb05lH-IVu0roYvMLvPB-WIQKzarwN9e0tSNMVYdgdMdtrqOZtD-vAMP9fV-qu3HqoX-1uAisMjXIvCsL0uF78iM19iUcIvOlpnDxBI-y7Tpx0b3607A6VpHqxrOiwrl975CWAsbUTE8DJkAoIyf_LvdunXdY2igl8m97QhaTcS6-J0NGrtGvg3EoRJh_qCta5kPdVzSabxR_TfwR8SI3S1E6Ng2BKRFDGxxLxO8_lfhZ-5_k1lcpi4VBMsbGOBlHRhTTHEDeY0C_hD5oTqqPkJght_qLczeE-rBejZyv725Fq7uP9r-Tv3ZnthrGLcergpYG9kBBMc4fQS_KvSJ8-neSYQyrpFmhsA03iMgmBhrjvdPcgf3-WrF-cWq16E5ef2KccU79IXfDwUNFce1kk1IMOkAxTYKZFytaBi5l-lC-yII1ukDWq6k8_Tj_qTgiZE6zRttV02ioJXGC-oYyqaUPdo5Z-aqTPsFkCNYch3I3Q0N0l1FJllxY7hftxas3yoTcxIp-gEHRS-zOhbxy_NwdCQxSmBIWbI6Hj934GiBB6Vso66wRlv3QDcD9cSkQrUoCfVK0BeabaGgsCPF-bYtJKAk6fgOJAEgLoaDFp3Bjob1kAL525M3dFDfzjbj_M9FeplxZlWsQhwhDF0EOJG0Mfxjhx_dIPgiRKkiCMvU3zS3P7QGs3XEBo2SPjP9noAG1XcS0IKkDNC1KZs_1c0ufulVkCqypSXFBx4NZDTllX_1wX6zFb0lVX_7xlOgCp6Z_EbL078BxJSYRmSu7sFMYV0b8LilaMS0UxqKXxab1xfOJndFulv56SLZfZ_Dew_O0SLG6ur2_-fvX_38Di6vryDixvTPH5H9_Aj8vbmx_LDYbbXddLEql91N4rJpsKggATD5ECILUR-V4SdBeoutH_EqlOEYYhyre3Rz4nRq4_1CNf1S_D_aGT4swvUj9FJ-TMi73IT30Y-ifrszJK07TwwiIiURwhz_cDr8Cp6wdpmKPEP6Fn0IWBG0LohWHg-bPIjYmbe3kaxVGOceQELqkRrWZ6fM24WJ2Ye0Vnqe-GyUmFclJJc3kLQkZ-AvPSgdAJL07EmRmTebuSTuBWVCq5laKoqsytrywzY80JL4ATuZObVpEL6rZStP-bFNv7M-YSE5Hg55owUJCS6rdIDje5hnonraim18eOuDvVqfl0Bv8VAAD__yTgyTc">