…46338) I'm not attaching a test case because I wasn't able to reproduce. The backtrace looks as follows: ``` frame #10: 0x00007fffdedf0b0d libclang-cpp.so.21.0git`clang::interp::Context::evaluateAsInitializer(this=0x00007c6f839f62f0, Parent=0x00007bff7f3820e0, VD=0x00007bff77ce24b0, Result=0x00007bff7165cd78) at Context.cpp:123:16 frame #11: 0x00007fffde7bcc2f libclang-cpp.so.21.0git`clang::Expr::EvaluateAsInitializer(this=0x00007bff77ce3078, Value=0x00007bff7165cd78, Ctx=0x00007e9f839f8200, VD=0x00007bff77ce24b0, Notes=0x00007bff7f0d1620, IsConstantInitialization=false) const at ExprConstant.cpp:17096:20 frame #12: 0x00007fffdde7ca84 libclang-cpp.so.21.0git`clang::VarDecl::evaluateValueImpl(this=0x00007bff77ce24b0, Notes=0x00007bff7f0d1620, IsConstantInitialization=false) const at Decl.cpp:2607:23 frame #13: 0x00007fffdde7a4a2 libclang-cpp.so.21.0git`clang::VarDecl::evaluateValue(this=0x00007bff77ce24b0) const at Decl.cpp:2583:10 frame #14: 0x00007fffdde7a0d7 libclang-cpp.so.21.0git`clang::VarDecl::hasInitWithSideEffects(this=0x00007bff77ce24b0) const at Decl.cpp:2458:39 frame #15: 0x00007fffe8c2e77b libclang-cpp.so.21.0git`clang::ASTDeclWriter::VisitVarDecl(this=0x00007bff7f381b50, D=0x00007bff77ce24b0) at ASTWriterDecl.cpp:1308:27 frame #16: 0x00007fffe8c58bf8 libclang-cpp.so.21.0git`clang::declvisitor::Base<std::add_pointer, clang::ASTDeclWriter, void>::Visit(this=0x00007bff7f381b50, D=0x00007bff77ce24b0) at DeclNodes.inc:296:1 frame #17: 0x00007fffe8c1ad7e libclang-cpp.so.21.0git`clang::ASTDeclWriter::Visit(this=0x00007bff7f381b50, D=0x00007bff77ce24b0) at ASTWriterDecl.cpp:460:31 frame #18: 0x00007fffe8c4f5ae libclang-cpp.so.21.0git`clang::ASTWriter::WriteDecl(this=0x00007e0f83dd8608, Context=0x00007e9f839f8200, D=0x00007bff77ce24b0) at ASTWriterDecl.cpp:3060:5 frame #19: 0x00007fffe8a908a7 libclang-cpp.so.21.0git`clang::ASTWriter::WriteDeclAndTypes(this=0x00007e0f83dd8608, Context=0x00007e9f839f8200) at ASTWriter.cpp:6243:9 frame #20: 0x00007fffe8a805f5 libclang-cpp.so.21.0git`clang::ASTWriter::WriteASTCore(this=0x00007e0f83dd8608, SemaPtr=0x00007e8f83cd3200, isysroot=(Data = "", Length = 0), WritingModule=0x00007e0f83d5bc18) at ASTWriter.cpp:6083:5 frame #21: 0x00007fffe8a7cfa2 libclang-cpp.so.21.0git`clang::ASTWriter::WriteAST(this=0x00007e0f83dd8608, Subject=PointerUnion<clang::Sema *, clang::Preprocessor *> @ 0x00007bff7f18e640, OutputFile=(Data = "/home/tbaeder/code/llvm-project/build/runtimes/runtimes-bins/libcxx/test/libcxx/clang_modules_include.gen.py/Output/complex.h.compile.pass.cpp.dir/t.tmp/1WNKSCAH8NSAM/std-PE20VSNDCJ1A.pcm", Length = 187), WritingModule=0x00007e0f83d5bc18, isysroot=(Data = "", Length = 0), ShouldCacheASTInMemory=true) at ASTWriter.cpp:5434:32 frame #22: 0x00007fffe8cd2168 libclang-cpp.so.21.0git`clang::PCHGenerator::HandleTranslationUnit(this=0x00007e0f83dd8500, Ctx=0x00007e9f839f8200) at GeneratePCH.cpp:86:30 frame #23: 0x00007fffe9595e11 libclang-cpp.so.21.0git`clang::MultiplexConsumer::HandleTranslationUnit(this=0x00007c5f83a00300, Ctx=0x00007e9f839f8200) at MultiplexConsumer.cpp:339:15 frame #24: 0x00007fffdc94121d libclang-cpp.so.21.0git`clang::ParseAST(S=0x00007e8f83cd3200, PrintStats=false, SkipFunctionBodies=false) at ParseAST.cpp:183:13 frame #25: 0x00007fffe9480085 libclang-cpp.so.21.0git`clang::ASTFrontendAction::ExecuteAction(this=0x00007bff7efb9020) at FrontendAction.cpp:1339:3 frame #26: 0x00007fffe947e650 libclang-cpp.so.21.0git`clang::FrontendAction::Execute(this=0x00007bff7efb9020) at FrontendAction.cpp:1221:3 frame #27: 0x00007fffe915a163 libclang-cpp.so.21.0git`clang::CompilerInstance::ExecuteAction(this=0x00007d2f839ef000, Act=0x00007bff7efb9020) at CompilerInstance.cpp:1055:33 frame #28: 0x00007fffe9175bbf libclang-cpp.so.21.0git`clang::CompilerInstance::compileModule(clang::SourceLocation, llvm::StringRef, llvm::StringRef, clang::CompilerInstance&)::$_0::operator()(this=0x00007bff805225e0) const at CompilerInstance.cpp:1291:18 [...] frame #39: 0x00007fffa3ab2a35 libLLVM.so.21.0git`void* llvm::thread::ThreadProxy<std::tuple<void (*)(void*), (anonymous namespace)::RunSafelyOnThreadInfo*>>(Ptr=0x00007c1f839e4330) at thread.h:58:5 frame #40: 0x000000000039933b clang++`asan_thread_start(void*) + 155 frame #41: 0x00007fff84a7dfa8 libc.so.6`start_thread + 952 frame #42: 0x00007fff84b01fcc libc.so.6`__clone3 + 44 ``` where we encounter this declaration: ``` VarDecl 0x7bff790764b0 </[...]test-suite-install/include/c++/v1/__condition_variable/condition_variable.h:49:3, col:53> col:8 in std.condition_variable.condition_variable hidden referenced __result_max '_Rep' cinit `-CallExpr 0x7bff79077078 <col:23, col:53> 'type':'long long' `-ImplicitCastExpr 0x7bff79077058 <col:23, col:49> 'type (*)() noexcept' <FunctionToPointerDecay> `-DeclRefExpr 0x7bff79076670 <col:23, col:49> 'type () noexcept' lvalue CXXMethod 0x7bff791df1f8 'max' 'type () noexcept' `-NestedNameSpecifier TypeSpec 'numeric_limits<__ns_rep>':'std::numeric_limits<long long>' ``` which looks fine at first, but the declaration type does not: ``` TemplateTypeParmType 0x7bff79074dd0 '_Rep' dependent depth 0 index 0 `-TemplateTypeParm 0x7bff79074d70 '_Rep' ``` we cannot classify this, so we later run into an assertion because we assume `PT_Ptr` while the value on the stack is of type `classify(long long)`. Work around this by only looking at the initializer type in that case. For the record, the command line that crashed could be extracted from `ninja check-cxx` and was: ``` /home/tbaeder/code/llvm-project/build/bin/clang++ /home/tbaeder/code/llvm-project/build/runtimes/runtimes-bins/libcxx/test/libcxx/clang_modules_include.gen.py/complex.h.compile.pass.cpp -pthread --target=x86_64-redhat-linux -nostdinc++ -I /home/tbaeder/code/llvm-project/build/runtimes/runtimes-bins/libcxx/test-suite-install/include/x86_64-redhat-linux/c++/v1 -I /home/tbaeder/code/llvm-project/build/runtimes/runtimes-bins/libcxx/test-suite-install/include/c++/v1 -I /home/tbaeder/code/llvm-project/libcxx/test/support -std=c++26 -Werror -Wall -Wctad-maybe-unsupported -Wextra -Wshadow -Wundef -Wunused-template -Wno-unused-command-line-argument -Wno-attributes -Wno-pessimizing-move -Wno-noexcept-type -Wno-atomic-alignment -Wno-reserved-module-identifier -Wdeprecated-copy -Wdeprecated-copy-dtor -Wshift-negative-value -Wno-user-defined-literals -Wno-tautological-compare -Wsign-compare -Wunused-variable -Wunused-parameter -Wunreachable-code -Wno-unused-local-typedef -Wno-local-type-template-args -Wno-c++11-extensions -Wno-unknown-pragmas -Wno-pass-failed -Wno-mismatched-new-delete -Wno-redundant-move -Wno-self-move -Wno-nullability-completeness -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_ENABLE_EXPERIMENTAL -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE -Werror=thread-safety -Wuser-defined-warnings -fmodules -fcxx-modules -fmodules-cache-path=/home/tbaeder/code/llvm-project/build/runtimes/runtimes-bins/libcxx/test/libcxx/clang_modules_include.gen.py/Output/complex.h.compile.pass.cpp.dir/t.tmp -fsyntax-only ```

Packaging and proper versioning (LLVM-76) #28

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