<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/118233>118233</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Clang: __funcref induced ICE.
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          moonheart08
      </td>
    </tr>
</table>

<pre>
    ```c
int hsGetFuncRefForGlobal( __funcref function );
```

This is sufficient to cause the Clang frontend to crash for WebAssembly. Godbolt demonstration: https://godbolt.org/z/T1TWd3qon

Backtrace:
```
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-trunk/bin/clang -g -o /app/output.s -fno-verbose-asm -S -target wasm32 -fcolor-diagnostics -fno-crash-diagnostics -std=c23 <source>
1.      <source>:1:47: current parser token ')'
 #0 0x00000000039af2d8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-trunk/bin/clang+0x39af2d8)
 #1 0x00000000039ad424 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-trunk/bin/clang+0x39ad424)
 #2 0x00000000038fdd58 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
 #3 0x00007e7769442520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x0000000006fdf3a3 clang::ASTContext::removeAddrSpaceQualType(clang::QualType) const (/opt/compiler-explorer/clang-trunk/bin/clang+0x6fdf3a3)
 #5 0x0000000006d9011d processTypeAttrs((anonymous namespace)::TypeProcessingState&, clang::QualType&, TypeAttrLocation, clang::ParsedAttributesView const&, clang::CUDAFunctionTarget) SemaType.cpp:0:0
 #6 0x0000000006d9369c GetDeclSpecTypeForDeclarator((anonymous namespace)::TypeProcessingState&, clang::TypeSourceInfo*&) (.constprop.0) SemaType.cpp:0:0
 #7 0x0000000006da2c4c clang::Sema::GetTypeForDeclarator(clang::Declarator&) (/opt/compiler-explorer/clang-trunk/bin/clang+0x6da2c4c)
 #8 0x0000000006529c39 clang::Sema::ActOnParamDeclarator(clang::Scope*, clang::Declarator&, clang::SourceLocation) (/opt/compiler-explorer/clang-trunk/bin/clang+0x6529c39)
 #9 0x00000000061fb8c0 clang::Parser::ParseParameterDeclarationClause(clang::DeclaratorContext, clang::ParsedAttributes&, llvm::SmallVectorImpl<clang::DeclaratorChunk::ParamInfo>&, clang::SourceLocation&, bool) (/opt/compiler-explorer/clang-trunk/bin/clang+0x61fb8c0)
#10 0x00000000061fd79b clang::Parser::ParseFunctionDeclarator(clang::Declarator&, clang::ParsedAttributes&, clang::BalancedDelimiterTracker&, bool, bool) (/opt/compiler-explorer/clang-trunk/bin/clang+0x61fd79b)
#11 0x00000000061ff352 clang::Parser::ParseDirectDeclarator(clang::Declarator&) (/opt/compiler-explorer/clang-trunk/bin/clang+0x61ff352)
#12 0x00000000061f7adc clang::Parser::ParseDeclaratorInternal(clang::Declarator&, void (clang::Parser::*)(clang::Declarator&)) (/opt/compiler-explorer/clang-trunk/bin/clang+0x61f7adc)
#13 0x0000000007838951 clang::StackExhaustionHandler::runWithSufficientStackSpace(clang::SourceLocation, llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-trunk/bin/clang+0x7838951)
#14 0x00000000061f3e24 clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, clang::DeclaratorContext, clang::ParsedAttributes&, clang::Parser::ParsedTemplateInfo&, clang::SourceLocation*, clang::Parser::ForRangeInit*) (/opt/compiler-explorer/clang-trunk/bin/clang+0x61f3e24)
#15 0x00000000061a2c87 clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-trunk/bin/clang+0x61a2c87)
#16 0x00000000061a3aa3 clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (/opt/compiler-explorer/clang-trunk/bin/clang+0x61a3aa3)
#17 0x00000000061ad392 clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-trunk/bin/clang+0x61ad392)
#18 0x00000000061aec28 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-trunk/bin/clang+0x61aec28)
#19 0x00000000061af170 clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-trunk/bin/clang+0x61af170)
#20 0x000000000619d2c2 clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-trunk/bin/clang+0x619d2c2)
#21 0x00000000042fe835 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-trunk/bin/clang+0x42fe835)
#22 0x00000000045c8761 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-trunk/bin/clang+0x45c8761)
#23 0x000000000454832b clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-trunk/bin/clang+0x454832b)
#24 0x00000000046b10c3 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-trunk/bin/clang+0x46b10c3)
#25 0x0000000000ccb66c cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-trunk/bin/clang+0xccb66c)
#26 0x0000000000cc3fad ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#27 0x00000000043467c9 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
#28 0x00000000038fe183 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-trunk/bin/clang+0x38fe183)
#29 0x00000000043469e9 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
#30 0x000000000430e21d clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-trunk/bin/clang+0x430e21d)
#31 0x000000000430f21d clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&, bool) const (/opt/compiler-explorer/clang-trunk/bin/clang+0x430f21d)
#32 0x00000000043187cc clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-trunk/bin/clang+0x43187cc)
#33 0x0000000000cc8301 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-trunk/bin/clang+0xcc8301)
#34 0x0000000000b96244 main (/opt/compiler-explorer/clang-trunk/bin/clang+0xb96244)
#35 0x00007e7769429d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#36 0x00007e7769429e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#37 0x0000000000cc3a4e _start (/opt/compiler-explorer/clang-trunk/bin/clang+0xcc3a4e)
clang: error: clang frontend command failed with exit code 139 (use -v to see invocation)
Compiler returned: 139```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzkWl1zmzoa_jXkRmMPSBjDhS-oE2dzpjvN1tlzLj1CerG1BYkjidTZX78jwMYQx-k27pnZ2U4zcYQ-nud5P_RKhhojthJg4c0-ebPbG1rbndKLUim5A6qtH99kir8svMhv_zPPT4W0aGfuwa5qyb5CvlL6vlAZLTwco80mryXTkCP32wolkYcTj3zy_PQ4i_vsp087YZAwyNR5LpgAaZFViNHaALI7QMuCyi3KtZIWJG-eaWp2KFca_QFZagyUWfEyRfeKZ6qwiEOppLGaumU9kqKdtZXxSOrhlYdX27bbVOmth1f_9vDqKXj6g5M_lWwBfaLsm9WUgRsyhPv4-S5d3yFTZ6WwiKKs3iINldIN5tE6wu7qbMpU6eFVUTwffk0qrf4FzHp4JYypwXh4hajkSEhW1Lwl3VLMjkjwElUaKq0YGAMcGVXrttmNpMYoJqgFjnQtkWFaVHbq-enaUvYN8bqsWi7-1POTR622mpaI6m1dgrQOMvLwSlUOE1NlJQrQE9hXhdKgXZszwcTqWn7z8CoT8tCGJls0UW4wrSo3RW2r2k4NmuRSTZ5BZ8rAhJoSTdZoYqnegkXfqSkJRpOcqULpCRd0K5WxgnXDGu7DZmO5R24ZJsgjy447ufP8NHCEBm0kDTyShnNHitVaO3-qqDagkVXfwPnh3Lkinnu-o0185O_9wz-S0BzzGDX2IqlHUvNi2g-PWkjbCPrUmiTuO2n6faOM1UBLD0fOLEJaDyfIw_HPKevhT_6-Q-PgtliDEVYe4vAc1mUBVNbVF7kWW9lEZC2bEOeoUG7yKyBza_fI8ABZnHM-i9HSWfIrMPUM-qWF8jcqeeEWiDuFBn2WLsj3dsoq57B-89POT7r55zCfR0kY4hn2Ow6FyDy82sfRJgonhZD1frKVdfuATY2aRg3kZkgPODwFHOU8J5SglmAjYbp-6tB0JoZSPUPKuV5XlME_alo8vVTODU4G9a0JYi4JfVDmDlePejZAzRM_CDjq0oJbOLVWm2bNmEolX0pVGyRpCaZqfDZpcbquj-0oIbdrSy10fnuWTPPkMP1nxdrMOuz96GKMuw4iqy2Y3wV8bzV4PfPyn7fpqtsXnpqk4ARbQ0ndImesH41okyhh6B7sLbBiXQFzw1ZKuz-pplbpK0ngOq2b1PIgc-XhtOnSBM-04VZpVU39d9DPh-gpZiE7XcUNbT_dgz1H5aTvaXv08Tju0PQOFg-wznDCSHIea8rsF_lINS3fwrpmynlPOhJ1RGHwrBW7d7EP82sZ9PySAb8gz2Lmv3JjffK5YQgWjhYRSi4LV528ZZhD2rgcHx33PnmvS1oUvwOzSj-UVeGR5fnZd47pYUpaNo5J7t6XsnmeKVVcQdVWt1ZVty35I1X5PMkuqnqI_h908x9R8qTHJ1pQyYDfQiFKYUG7Hfsb6IEIVxTD0e3FCEZi5GSGL4pxKzQw-1dFfAuoh4tHcOeUs8twj4AepAXd1heXbPesBEfDPqeTNhkiuUz6Krwds543OeU9j0mczIJB_LhS726_o7VxnnooXNpioJZ_CLtbH48sTed1u8HEF4LwNOAPJ6ONhtwjy4NKzQ5193HCHaWecDgyNAEcvmvoe63q6rXthNwe9t7X4feTqfASFP4EZVVQ2-3D7-W68ZZzOt9K6a9UbuFBCtu63sc9y0nZCz0s0gKKWTx_V-gvus-J-fnA-kHd3u1x0XgpcyWReyZy4dh_XJ5GgF6eaCQPocPK-82EI5QcqCSkaM39y0Ua-9OvEMnJ0Is0H4nESXJ5E7nbty5zItZfI8wVqDtyPfV4RB0Yji9Sf1LVZ3iGhvqQ85eK_lnDo9Wvq6kmsX11mfdc7XSscv-ueF3AQ1kpbftDwhU4O1Y951FZSvNgfrksXQlt7P8kcUftSByPKseEY_baz9P102hbdTB_TTHXIOjxDYq5EOcQk9ngKKs43INMWXfZ6JH0bg-sttA1NVb-IKpu3R7VoGYLZyyeR4PaZdXdlp6BdR1A7ZI9IDIEFMYEZ0OZ2iUepLGuND-v1NsMruF7Hawe9KAgCqMs8NlgI-rg9difjwVGfInbNbJiB6cHOygqfMayKGKIsWBTUjf05DIy1Zq-NAG-ZDuqD5cwaRPwSzRs68rzq2BuQfWQoxFkklOODqIug6cmYuOLJ-BX-EeHZjdHV2SeXDYliGvxDHp0F-MwDfbVkITRnCXtAeVHC_OmC6NFkVH2bZPLYYZtF-4cYxksVVlSyccReNZYzSW3a1OVW506AU7EsVrIbZe3W0seB2w2bL8PgvaPjBrBNqbp3kk46OwaNlZTYc3h8Wg6WhTO0ZU-ee66pH2eTY83nIcz3LygZcZpc7t-PMPEh9vm31R2xhjx6NIYgpic2OHc1XD75Gst1zSH4mWg5S8-UHUAe_9Oxr6UwOCu7P_OF5p70Ypq216JnjX68PuWkPiAA_6mao2R6KtN7CDlIA-PBroOb11AX-iajm7KrnGN37E8es7we5yQ-PlPaPCbyszbAvymss_C2IEAlzLt0eAVFc7WzbczP65Z5xW_Qrl8oNyw8iFBPGfsLZS3J58He_mZTfwtxf9C5T5cMrRq9FqR0f4bE7-rEg9FwwFrkxfSLqrf310_WiY4ID3MQRnmZ0mEwxA5gB9cp52pX2c2_AoRJzz5L79CbIb0E0bjCSH00WbjxmyMpdpuTlj88BIQniwxH5dQNATUTv5hK7i52pUOvopAa5fp09ZL-pcuWOe1ORUFcPRd2B2CvXBewQEFpHGJ2gCaPCOrkAFA4qRadmscqmSkwdZaggsaN_L4esUNXxCekITewCKYE-InYRgFN7vFnNHEp5DlEWeQhzzC8zDOcA6zbBZHSXwjFtjHYYD9ABN_HgZTn0UzPgtjPJtDzGnohT6UVBRT59pTpbc3zZsXiyCIMSE3Bc2gMM3LLxh3CmFvdnujF80LG1m9NV7oF8JY009hhS1gsTxI17_xIiSvGXD0sLyb3tS6WPz8eyEdwOcF_k8AAAD__wopANY">