<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/140687>140687</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            sequencial incorrect #pragma specification end in ICE since 3.5
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          mariete1223
      </td>
    </tr>
</table>

<pre>
    ## Assertion

```
clang++: /root/llvm-project/llvm/tools/clang/lib/Parse/ParseStmt.cpp:80: clang::StmtResult clang::Parser::ParseStatementOrDeclaration(clang::Parser::StmtVector&, clang::Parser::ParsedStmtContext, clang::SourceLocation*): Assertion `(CXX11Attrs.empty() || Res.isInvalid() || Res.isUsable()) && "attributes on empty statement"' failed.
```

## Stack dump

```
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 -x c++ <source>
1.      <source>:4:1: current parser token '}'
2.      <source>:1:12: parsing function body 'main'
3.      <source>:1:12: in compound statement ('{}')
 #0 0x0000000003f9b608 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3f9b608)
 #1 0x0000000003f99294 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3f99294)
 #2 0x0000000003eddec8 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
 #3 0x0000718aa3e42520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x0000718aa3e969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
 #5 0x0000718aa3e42476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #6 0x0000718aa3e287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #7 0x0000718aa3e2871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
 #8 0x0000718aa3e39e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
 #9 0x000000000673d29f clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673d29f)
#10 0x0000000006744cf3 clang::Parser::ParseCompoundStatementBody(bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6744cf3)
#11 0x00000000067454ba clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x67454ba)
#12 0x000000000663f4f3 clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x663f4f3)
#13 0x0000000006675e8d clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, clang::DeclaratorContext, clang::ParsedAttributes&, clang::Parser::ParsedTemplateInfo&, clang::SourceLocation*, clang::Parser::ForRangeInit*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6675e8d)
#14 0x000000000663303e clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x663303e)
#15 0x00000000066337f9 clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66337f9)
#16 0x000000000663b10a clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x663b10a)
#17 0x000000000663c0ad clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x663c0ad)
#18 0x000000000663c560 clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x663c560)
#19 0x000000000662e443 clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x662e443)
#20 0x00000000049463b8 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49463b8)
#21 0x0000000004c3e1d5 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4c3e1d5)
#22 0x0000000004bbce1e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4bbce1e)
#23 0x0000000004d30e49 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4d30e49)
#24 0x0000000000dac8df cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdac8df)
#25 0x0000000000da2aaa ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#26 0x00000000049ad4b9 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 0x0000000003ede364 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3ede364)
#28 0x00000000049adacf 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 0x000000000496f89d clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x496f89d)
#30 0x000000000497092e 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+++0x497092e)
#31 0x0000000004978c15 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4978c15)
#32 0x0000000000da8848 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xda8848)
#33 0x0000000000c2e214 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xc2e214)
#34 0x0000718aa3e29d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#35 0x0000718aa3e29e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#36 0x0000000000da2555 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xda2555)
```

## Program

```
int main() {
    #pragma clang loop vectorize(enable) unroll(enable)
    #pragma pack(push, 8)
}
```

## To quickly reproduce

https://godbolt.org/z/nnoWb6jcb
</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJzkWl9z2yz2_jTkhpFHQv8vfKE49ftLp79pJ8nuvncehJDDGwQqoNR5P_0OSI4sxXabnbgXux03cQTn8JyHh8MREtaabQWlSxBfg_jmCnfmUaplgxWjhgYIhVelrF6WAIUAhbDQmirDpAB-YT-JP3z8gnAstgBd209YQIDWSkoD0Jrz58ZrlfyLkv2fAK2NlFwDtB7M1pyVAK2_YaXp_ve9acyCtC0Ii8y3Pvu-YQHCwrbdUd1xc3jVmamD7_cGG9pQYb6qG0o4VtiBR9kJI-v2n5QYqQBKAFqddV7Z3ispDN2ZWd972SlCv0gyjFcAlNsIXvmDljSUrf78MwgKY5Re0KY1LwBlAOUQpCuQruAd1Qumb8Uz5qw61vQPjUtO-xbXaEEnECCEjVGs7AzVUArofEO9JwMgBFAKa8w4rRazebSffrLvDSZPsOqa9u1sH7SFts1fAD__puRW4QZite3sOHoQgmztxBPZtIxT5dFdy6Wiaj_7Ht6zoj2jOvEE0LpkYhSH1RT0ttUPrGovgt4WetL6xW1rvXem7cxCQ6-x2oKet8sSD-vG0y_C4B0Ib5gwlEOvFtJ7pqqUmtp26N1Dz9sS4lkxkkfMBAhvzuK1nbXArX6UBno1kVwqr2J4K6Q2jOh-DKKwfpxe3kEyxAHClXbqAOEn4BeBJW5yLSwiEBaBE3ynFBUGtk560MgnKiBAKUhv7E-_QEesrWWArLk1Y2IL604QJzq7lK19Y0N1DsKzDpiAlgXZiWpUD3R6S0F6PcBAOfDtPIc-9Hf-_l9Y52XiZ9Ctd7co9IseVo9iwjgFPShMrH7HTgr_2EhtFMXNsASZFWzej_ohUgLo2t8N8EbwwQx8jvLoGPgVp1h07Vdxz7YCc4CyTrgcWkEu7RCXgGrBjFDRBCqtKkoyuLKiu6NEPlP10mP7PywqbkfMBg4nfYbMNWRY3_3v_YeD_zTIMA5phGLkD0H1aXqXJZsk8jgT3c7biq5vIAstF4mD7ExGwNHUYZ7kNYGteVQUV5snxvn7vDv70Xs8hxulCdxqR8F7YUdpMjpOpo5RltYhxKVU5n1uneHoNn3jNijf7TAoR4fZ1GGY0zx5n0NnMjrMDwWWpGGF8vo_22fHBXTfYM6HvTVczbZyt0OuIIo6m4I-fOv96BU5UNITZnOHPyUsikgdng1gNaTVV-KuZWV3_1JKfhHADtIIOJgBjqMSnwW8HvaQOeADGzvzw0Se1QqRLXVzfIkwbSBjmJNMmSRhHf1kXvZh3tCaCXa8WGRiuxf5r9WJD7RpOTb0VtQSEim0OW_1BRvaW9rS8AvT5kIy7gkZ6QqndKUxzaqzoVke_lCya0-ydN9S8jbakb_ji3iMvi9i38vy2_5H0sJJf2up7rDY0lvBLsa843ZkPpoJNfRD-lPmv6oDud4KQ1VfkLyfyJ_2ODubBSFUa9vGambpuIRSLSMjX_Gcr7TOf8rXsC1NaDu5yj-ctbnifg9raZ2PrCUz1srAP5_1P-16UZ2_eb4AU5fgwkY7cpHOuCA-Pp_rHmT7hT5T3m9zhyR8bfH3jn4zs8LmNTne0fpoWXNPG9x_-39ZdZzeNq1Uxu2wF9of-zBHErI5CXHin98fmdLmv4SJOPFHJqYlb4JoFL2tFIr7h2m8DncfTV-57X9fALCD9AoYTUrOKI-SsMwOAa9kRf-gonCJrr_0aUdJZ-hwaThP-liYA5AR5qTQjEhIgyo-hLlWtgAQ1RGcF0LYYxgRTmrEqCwJDeiUyH7MW6ENFoQe5_J0SBfR74BzjGJSukVV6NNosiEOeMdgnl9LoexcsBdJxgO-Ef2k_PErTLKqhoQEm_6k6uA2slAKv7g0siKPWO3L6cKllRWcXkMr-CxZdZkgepRjDPEsBoQxhnvaV8GDywvHb4hvm5YfDchlltHE-hgK5oP7iBxWij1TNTvJsZiSaZLAVVTmjpIDp_vTwY1yrLrW4UjZHQeCsCCY8xKTp00tpom9H3iQzipYyabBopqv4qOzp83QT7Z2dGwJOCDHKCa2w3bRT-2rwWZDdrsg6P8osWZko133gcJJZ3thYxRmRu-bZ-4w53Yp9McSQ7vtUozZ3MmnJ9yZAJRy3JQVdsefe6pQtj8A_CzLI5ORzo7taJgcnjAeO5zrW-46cY9ryl8mXJ6ftwscQ_aIR8Fnc3FhMjkl-p8Th2V80WJlFv5pFeRT1pI6y6uTrLlZw292xj2Vk9Q9M7QdTh02nOlaTMqZg8A-tkpwYb9KKZwVM6mfI_peUj7LUp9m5LMsvzBtJoycy8WvCmgxs5PvTtB_ncRBJr-DSkfWSGUwozIjQXwK9s3B90mBcKQyODUFv5HKC1Srjp6RPDTbw7MsGorqfSWyB-9SSTEkgp_v0B9ee1hkI-5J9ecTRFEQQYv4owfuXY8Dz57soLzK3_moyJmMDuO5Qxr5cLOxNhttsDKbg7B-eQgaHQyRzAu1OI5h7_zj58k6H4Y--pB9eGb-9gk7EwYOmuuf-18Dv4AQQoDCVuFtM5zcQC5lC5_dgmN_2x2Viv6tgBx2QknODy-98dFi8gRQ1nb60Sp5r6n05iTiBwm_d4w88ReoaKtk1RHad3g0pnVPSdEaoPVWVqXkZiHVFqD13wCthZD_KpO_SHlVLcMqD3N8RZdBGqUpivIgvHpc5mlN8iyNYxzFdVmmKCwDv8JpWKVhlaD6ii2Rj2I_Rr6f-lmIFnlIq6jKchTXSZxiCiKfNpjxhV2TduwrpnVHl0HkJ1l6xXFJuXZvuyAk6A_oWgFCIL65Ukv3rkrZbTWIfM600aMbwwynS02_d1QQhjlkgkilKDEHbOr-NK-_s4JUVJAJeLv6BDUThMJwEV91ii9nRDHz2JULIpvx9ZjZSzMOpQZoPYTxvET_DgAA__8aUuo-">