[llvm-bugs] [Bug 50832] New: ICE on valid code: const T* clang::Type::castAs() const [with T = clang::PointerType]: Assertion `isa<T>(CanonicalType)' failed.
via llvm-bugs
llvm-bugs at lists.llvm.org
Wed Jun 23 19:48:17 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=50832
Bug ID: 50832
Summary: ICE on valid code: const T* clang::Type::castAs()
const [with T = clang::PointerType]: Assertion
`isa<T>(CanonicalType)' failed.
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C
Assignee: unassignedclangbugs at nondot.org
Reporter: cnsun at uwaterloo.ca
CC: blitzrakete at gmail.com, dgregor at apple.com,
erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
richard-llvm at metafoo.co.uk
$ clang-trunk -v
clang version 13.0.0 (https://github.com/llvm/llvm-project.git
5c8659801a4976ef2b327f4071d98086efd42a36)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/cnsun/usr/bin
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/10
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/10
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@mx32
Selected multilib: .;@m64
$ cat mutant.c
foo(a) { __atomic_is_lock_free(2, a); }
$ clang-trunk mutant.c
mutant.c:1:1: warning: type specifier missing, defaults to 'int'
[-Wimplicit-int]
foo(a) { __atomic_is_lock_free(2, a); }
^
mutant.c:1:35: warning: incompatible integer to pointer conversion passing
'int' to parameter of type 'const volatile void *' [-Wint-conversion]
foo(a) { __atomic_is_lock_free(2, a); }
^
mutant.c:1:39: warning: non-void function does not return a value
[-Wreturn-type]
foo(a) { __atomic_is_lock_free(2, a); }
^
clang-13:
/tmp/tmp.FIfHBNID2p-clang-builder/llvm-project/clang/include/clang/AST/Type.h:7230:
const T* clang::Type::castAs() const [with T = clang::PointerType]: Assertion
`isa<T>(CanonicalType)' failed.
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash
backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: /scratch/software/clang-trunk/bin/clang-13 -cc1
-triple x86_64-unknown-linux-gnu -emit-obj -mrelax-all --mrelax-relocations
-disable-free -main-file-name mutant.c -mrelocation-model static
-mframe-pointer=all -fmath-errno -fno-rounding-math -mconstructor-aliases
-munwind-tables -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb
-fcoverage-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/default_c_finding_folder/crash_20210623_052549_009a/delta/perses_result
-resource-dir /scratch/software/clang-trunk/lib/clang/13.0.0 -c-isystem .
-c-isystem /usr/local/include/cmsith -internal-isystem
/scratch/software/clang-trunk/lib/clang/13.0.0/include -internal-isystem
/usr/local/include -internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/10/../../../../x86_64-linux-gnu/include
-internal-externc-isystem /usr/include/x86_64-linux-gnu
-internal-externc-isystem /include -internal-externc-isystem /usr/include
-fdebug-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/default_c_finding_folder/crash_20210623_052549_009a/delta/perses_result
-ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1
-o /tmp/mutant-276899.o -x c mutant.c
1. <eof> parser at end of file
2. mutant.c:1:1: LLVM IR generation of declaration 'foo'
3. mutant.c:1:1: Generating code for declaration 'foo'
#0 0x000055c41ff29c64 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x000055c41ff2741e SignalHandler(int) Signals.cpp:0:0
#2 0x00007f968bc6d3c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#3 0x00007f968b70c18b raise
/build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#4 0x00007f968b6eb859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
#5 0x00007f968b6eb729 get_sysdep_segment_value
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
#6 0x00007f968b6eb729 _nl_load_domain
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
#7 0x00007f968b6fcf36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
#8 0x000055c4202ca3d7 clang::PointerType const*
clang::Type::castAs<clang::PointerType>() const
(/scratch/software/clang-trunk/bin/clang-13+0x3cef3d7)
#9 0x000055c423040d14 (anonymous
namespace)::IntExprEvaluator::VisitBuiltinCallExpr(clang::CallExpr const*,
unsigned int) ExprConstant.cpp:0:0
#10 0x000055c423040ffa (anonymous
namespace)::IntExprEvaluator::VisitCallExpr(clang::CallExpr const*)
ExprConstant.cpp:0:0
#11 0x000055c422ffe0d8 clang::StmtVisitorBase<llvm::make_const_ptr, (anonymous
namespace)::IntExprEvaluator, bool>::Visit(clang::Stmt const*)
ExprConstant.cpp:0:0
#12 0x000055c422fed37e Evaluate(clang::APValue&, (anonymous
namespace)::EvalInfo&, clang::Expr const*) ExprConstant.cpp:0:0
#13 0x000055c422ff7319 EvaluateAsRValue((anonymous namespace)::EvalInfo&,
clang::Expr const*, clang::APValue&) ExprConstant.cpp:0:0
#14 0x000055c422ff93df clang::Expr::EvaluateAsRValue(clang::Expr::EvalResult&,
clang::ASTContext const&, bool) const
(/scratch/software/clang-trunk/bin/clang-13+0x6a1e3df)
#15 0x000055c4205175d8
clang::CodeGen::CodeGenFunction::EmitBuiltinExpr(clang::GlobalDecl, unsigned
int, clang::CallExpr const*, clang::CodeGen::ReturnValueSlot)
(/scratch/software/clang-trunk/bin/clang-13+0x3f3c5d8)
#16 0x000055c4205d56e7
clang::CodeGen::CodeGenFunction::EmitCallExpr(clang::CallExpr const*,
clang::CodeGen::ReturnValueSlot)
(/scratch/software/clang-trunk/bin/clang-13+0x3ffa6e7)
#17 0x000055c42060e8e2 (anonymous
namespace)::ScalarExprEmitter::VisitCallExpr(clang::CallExpr const*)
CGExprScalar.cpp:0:0
#18 0x000055c42060bdd9 (anonymous
namespace)::ScalarExprEmitter::Visit(clang::Expr*) CGExprScalar.cpp:0:0
#19 0x000055c42060df9a
clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x4032f9a)
#20 0x000055c4205b5287 clang::CodeGen::CodeGenFunction::EmitAnyExpr(clang::Expr
const*, clang::CodeGen::AggValueSlot, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x3fda287)
#21 0x000055c4205d3bfe
clang::CodeGen::CodeGenFunction::EmitIgnoredExpr(clang::Expr const*)
(/scratch/software/clang-trunk/bin/clang-13+0x3ff8bfe)
#22 0x000055c4202b8aba clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt
const*, llvm::ArrayRef<clang::Attr const*>)
(/scratch/software/clang-trunk/bin/clang-13+0x3cddaba)
#23 0x000055c4202bee5c
clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt
const&, bool, clang::CodeGen::AggValueSlot)
(/scratch/software/clang-trunk/bin/clang-13+0x3ce3e5c)
#24 0x000055c4203162a1
clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*)
(/scratch/software/clang-trunk/bin/clang-13+0x3d3b2a1)
#25 0x000055c420327afc
clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl,
llvm::Function*, clang::CodeGen::CGFunctionInfo const&)
(/scratch/software/clang-trunk/bin/clang-13+0x3d4cafc)
#26 0x000055c420381406
clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl,
llvm::GlobalValue*) (/scratch/software/clang-trunk/bin/clang-13+0x3da6406)
#27 0x000055c42037cfa5
clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl,
llvm::GlobalValue*) (/scratch/software/clang-trunk/bin/clang-13+0x3da1fa5)
#28 0x000055c42037d40b
clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl)
(/scratch/software/clang-trunk/bin/clang-13+0x3da240b)
#29 0x000055c420385e72
clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) (.part.0)
CodeGenModule.cpp:0:0
#30 0x000055c4210884f9 (anonymous
namespace)::CodeGeneratorImpl::HandleTopLevelDecl(clang::DeclGroupRef)
ModuleBuilder.cpp:0:0
#31 0x000055c42107a6e0
clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef)
(/scratch/software/clang-trunk/bin/clang-13+0x4a9f6e0)
#32 0x000055c42213dfe4 clang::ParseAST(clang::Sema&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b62fe4)
#33 0x000055c421085678 clang::CodeGenAction::ExecuteAction()
(/scratch/software/clang-trunk/bin/clang-13+0x4aaa678)
#34 0x000055c420935029 clang::FrontendAction::Execute()
(/scratch/software/clang-trunk/bin/clang-13+0x435a029)
#35 0x000055c4208c81e6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/scratch/software/clang-trunk/bin/clang-13+0x42ed1e6)
#36 0x000055c420a12eb0
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/scratch/software/clang-trunk/bin/clang-13+0x4437eb0)
#37 0x000055c41d83b6f6 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/scratch/software/clang-trunk/bin/clang-13+0x12606f6)
#38 0x000055c41d837a38 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#39 0x000055c41d7650a6 main
(/scratch/software/clang-trunk/bin/clang-13+0x118a0a6)
#40 0x00007f968b6ed0b3 __libc_start_main
/build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
#41 0x000055c41d8375ae _start
(/scratch/software/clang-trunk/bin/clang-13+0x125c5ae)
clang-13: error: unable to execute command: Aborted (core dumped)
clang-13: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 13.0.0 (https://github.com/llvm/llvm-project.git
5c8659801a4976ef2b327f4071d98086efd42a36)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/cnsun/usr/bin
clang-13: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-13: note: diagnostic msg: /tmp/mutant-296fb2.c
clang-13: note: diagnostic msg: /tmp/mutant-296fb2.sh
clang-13: note: diagnostic msg:
********************
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