| Issue |
130827
|
| Summary |
Assertion `getSignificantBits() <= 64 && "Too many bits for int64_t"' failed
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
bi6c
|
Compiler Explorer: https://godbolt.org/z/b3Ph9bK38
- generated by fuzzer
- tested with flag -std=c2x
```console
clang: /root/llvm-project/llvm/include/llvm/ADT/APInt.h:1545: int64_t llvm::APInt::getSExtValue() const: Assertion `getSignificantBits() <= 64 && "Too many bits for int64_t"' 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 -fno-verbose-asm -c --gcc-toolchain=/opt/compiler-explorer/gcc-snapshot -fcolor-diagnostics -fno-crash-diagnostics -std=c2x <source>
1. <source>:4:55: current parser token ')'
2. <source>:2:46: parsing function body 'check_isfpclass_finite_strict'
3. <source>:2:46: in compound statement ('{}')
#0 0x0000000003e6dcc8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x3e6dcc8)
#1 0x0000000003e6b984 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x3e6b984)
#2 0x0000000003db8298 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x00007848f8042520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x00007848f80969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x00007848f8042476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x00007848f80287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x00007848f802871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
#8 0x00007848f8039e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#9 0x0000000000ddba8e (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xddba8e)
#10 0x0000000006698e48 clang::Sema::BuiltinConstantArgRange(clang::CallExpr*, int, int, int, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x6698e48)
#11 0x0000000006699669 clang::Sema::BuiltinFPClassification(clang::CallExpr*, unsigned int, unsigned int) (.part.0) SemaChecking.cpp:0:0
#12 0x00000000066aef8b clang::Sema::CheckBuiltinFunctionCall(clang::FunctionDecl*, unsigned int, clang::CallExpr*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x66aef8b)
#13 0x0000000006970d23 clang::Sema::BuildResolvedCallExpr(clang::Expr*, clang::NamedDecl*, clang::SourceLocation, llvm::ArrayRef<clang::Expr*>, clang::SourceLocation, clang::Expr*, bool, clang::CallExpr::ADLCallKind) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x6970d23)
#14 0x0000000006971c25 clang::Sema::BuildCallExpr(clang::Scope*, clang::Expr*, clang::SourceLocation, llvm::MutableArrayRef<clang::Expr*>, clang::SourceLocation, clang::Expr*, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x6971c25)
#15 0x00000000069734cc clang::Sema::ActOnCallExpr(clang::Scope*, clang::Expr*, clang::SourceLocation, llvm::MutableArrayRef<clang::Expr*>, clang::SourceLocation, clang::Expr*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x69734cc)
#16 0x00000000064b1f22 clang::Parser::ParsePostfixExpressionSuffix(clang::ActionResult<clang::Expr*, true>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x64b1f22)
#17 0x00000000064aa831 clang::Parser::ParseCastExpression(clang::Parser::CastParseKind, bool, bool&, clang::Parser::TypeCastState, bool, bool*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x64aa831)
#18 0x00000000064ac997 clang::Parser::ParseCastExpression(clang::Parser::CastParseKind, bool, clang::Parser::TypeCastState, bool, bool*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x64ac997)
#19 0x00000000064aca29 clang::Parser::ParseAssignmentExpression(clang::Parser::TypeCastState) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x64aca29)
#20 0x00000000064b1469 clang::Parser::ParseExpression(clang::Parser::TypeCastState) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x64b1469)
#21 0x0000000006527b42 clang::Parser::ParseReturnStatement() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x6527b42)
#22 0x000000000652ad45 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+0x652ad45)
#23 0x000000000652c470 clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x652c470)
#24 0x000000000652d361 clang::Parser::ParseCompoundStatementBody(bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x652d361)
#25 0x000000000652eb4a clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x652eb4a)
#26 0x00000000064403e3 clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x64403e3)
#27 0x0000000006474ffd 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+0x6474ffd)
#28 0x000000000643411e clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x643411e)
#29 0x00000000064348d9 clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x64348d9)
#30 0x000000000643c0b3 clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x643c0b3)
#31 0x000000000643cf8d clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x643cf8d)
#32 0x000000000643d430 clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x643d430)
#33 0x000000000642f3e3 clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x642f3e3)
#34 0x0000000004830ea8 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4830ea8)
#35 0x0000000004af9d95 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4af9d95)
#36 0x0000000004a7d56e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4a7d56e)
#37 0x0000000004be7f2e clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4be7f2e)
#38 0x0000000000d535a7 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xd535a7)
#39 0x0000000000d4a36a ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#40 0x0000000004879539 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
#41 0x0000000003db8744 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x3db8744)
#42 0x0000000004879b2f 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
#43 0x000000000483c07d clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x483c07d)
#44 0x000000000483d0fe 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+0x483d0fe)
#45 0x0000000004845015 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4845015)
#46 0x0000000000d4f843 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xd4f843)
#47 0x0000000000c17374 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xc17374)
#48 0x00007848f8029d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#49 0x00007848f8029e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#50 0x0000000000d49e15 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xd49e15)
clang: error: clang frontend command failed with exit code 134 (use -v to see invocation)
Compiler returned: 134
```
Code:
```c
_Bool check_isfpclass_finite_strict(float x) {
#pragma STDC FENV_ACCESS ON
return __builtin_isfpclass(x, 66666666666666666666wb);
}
```
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