[llvm-bugs] [Bug 50847] New: ICE with -O1 on valid code: Assertion `!Info.isIncomplete() && "Access to an object of an incomplete type!"' failed.
via llvm-bugs
llvm-bugs at lists.llvm.org
Thu Jun 24 15:48:42 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=50847
Bug ID: 50847
Summary: ICE with -O1 on valid code: Assertion
`!Info.isIncomplete() && "Access to an object of an
incomplete type!"' failed.
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
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
24d48d45cc302a6abeab139d87ba87f7a2335323)
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
void *a;
c() { a[9]; }
$ clang-trunk -O1 mutant.c
mutant.c:2:1: warning: type specifier missing, defaults to 'int'
[-Wimplicit-int]
c() { a[9]; }
^
mutant.c:2:10: warning: expression result unused [-Wunused-value]
c() { a[9]; }
~ ~^
mutant.c:2:13: warning: non-void function does not return a value
[-Wreturn-type]
c() { a[9]; }
^
clang-13:
/tmp/tmp.nPuVKAIgXI-clang-builder/llvm-project/clang/lib/CodeGen/CodeGenTBAA.cpp:397:
llvm::MDNode*
clang::CodeGen::CodeGenTBAA::getAccessTagInfo(clang::CodeGen::TBAAAccessInfo):
Assertion `!Info.isIncomplete() && "Access to an object of an incomplete
type!"' 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-relocations -disable-free
-main-file-name mutant.c -mrelocation-model static -mframe-pointer=none
-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_20210624_055257_0171/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 -O1
-fdebug-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/default_c_finding_folder/crash_20210624_055257_0171/delta/perses_result
-ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1
-o /tmp/mutant-12b1bd.o -x c mutant.c
1. <eof> parser at end of file
2. mutant.c:2:1: LLVM IR generation of declaration 'c'
3. mutant.c:2:1: Generating code for declaration 'c'
#0 0x0000562394c32274 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x0000562394c2fa2e SignalHandler(int) Signals.cpp:0:0
#2 0x00007f4eec6a33c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#3 0x00007f4eec14218b raise
/build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#4 0x00007f4eec121859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
#5 0x00007f4eec121729 get_sysdep_segment_value
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
#6 0x00007f4eec121729 _nl_load_domain
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
#7 0x00007f4eec132f36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
#8 0x00005623950ca7d9
clang::CodeGen::CodeGenTBAA::getAccessTagInfo(clang::CodeGen::TBAAAccessInfo)
(/scratch/software/clang-trunk/bin/clang-13+0x3de87d9)
#9 0x0000562395037164
clang::CodeGen::CodeGenModule::DecorateInstructionWithTBAA(llvm::Instruction*,
clang::CodeGen::TBAAAccessInfo)
(/scratch/software/clang-trunk/bin/clang-13+0x3d55164)
#10 0x00005623952cb112
clang::CodeGen::CodeGenFunction::EmitLoadOfScalar(clang::CodeGen::Address,
bool, clang::QualType, clang::SourceLocation, clang::CodeGen::LValueBaseInfo,
clang::CodeGen::TBAAAccessInfo, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x3fe9112)
#11 0x00005623952cb6d4
clang::CodeGen::CodeGenFunction::EmitLoadOfLValue(clang::CodeGen::LValue,
clang::SourceLocation) (/scratch/software/clang-trunk/bin/clang-13+0x3fe96d4)
#12 0x00005623953174bd (anonymous
namespace)::ScalarExprEmitter::EmitLoadOfLValue(clang::Expr const*)
CGExprScalar.cpp:0:0
#13 0x000056239531cd4b (anonymous
namespace)::ScalarExprEmitter::VisitArraySubscriptExpr(clang::ArraySubscriptExpr*)
CGExprScalar.cpp:0:0
#14 0x00005623953150d4 (anonymous
namespace)::ScalarExprEmitter::Visit(clang::Expr*) CGExprScalar.cpp:0:0
#15 0x0000562395316e8a
clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x4034e8a)
#16 0x00005623952be177 clang::CodeGen::CodeGenFunction::EmitAnyExpr(clang::Expr
const*, clang::CodeGen::AggValueSlot, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x3fdc177)
#17 0x00005623952dcaee
clang::CodeGen::CodeGenFunction::EmitIgnoredExpr(clang::Expr const*)
(/scratch/software/clang-trunk/bin/clang-13+0x3ffaaee)
#18 0x0000562394fc123a clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt
const*, llvm::ArrayRef<clang::Attr const*>)
(/scratch/software/clang-trunk/bin/clang-13+0x3cdf23a)
#19 0x0000562394fc75dc
clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt
const&, bool, clang::CodeGen::AggValueSlot)
(/scratch/software/clang-trunk/bin/clang-13+0x3ce55dc)
#20 0x000056239501ea21
clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*)
(/scratch/software/clang-trunk/bin/clang-13+0x3d3ca21)
#21 0x000056239503027c
clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl,
llvm::Function*, clang::CodeGen::CGFunctionInfo const&)
(/scratch/software/clang-trunk/bin/clang-13+0x3d4e27c)
#22 0x0000562395089b86
clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl,
llvm::GlobalValue*) (/scratch/software/clang-trunk/bin/clang-13+0x3da7b86)
#23 0x0000562395085725
clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl,
llvm::GlobalValue*) (/scratch/software/clang-trunk/bin/clang-13+0x3da3725)
#24 0x0000562395085b8b
clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl)
(/scratch/software/clang-trunk/bin/clang-13+0x3da3b8b)
#25 0x000056239508e5f2
clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) (.part.0)
CodeGenModule.cpp:0:0
#26 0x0000562395d91e19 (anonymous
namespace)::CodeGeneratorImpl::HandleTopLevelDecl(clang::DeclGroupRef)
ModuleBuilder.cpp:0:0
#27 0x0000562395d84000
clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef)
(/scratch/software/clang-trunk/bin/clang-13+0x4aa2000)
#28 0x0000562396e47c24 clang::ParseAST(clang::Sema&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b65c24)
#29 0x0000562395d8ef98 clang::CodeGenAction::ExecuteAction()
(/scratch/software/clang-trunk/bin/clang-13+0x4aacf98)
#30 0x000056239563de79 clang::FrontendAction::Execute()
(/scratch/software/clang-trunk/bin/clang-13+0x435be79)
#31 0x00005623955d10c6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/scratch/software/clang-trunk/bin/clang-13+0x42ef0c6)
#32 0x000056239571bd00
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/scratch/software/clang-trunk/bin/clang-13+0x4439d00)
#33 0x0000562392542b06 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/scratch/software/clang-trunk/bin/clang-13+0x1260b06)
#34 0x000056239253ee48 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#35 0x000056239246c0c6 main
(/scratch/software/clang-trunk/bin/clang-13+0x118a0c6)
#36 0x00007f4eec1230b3 __libc_start_main
/build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
#37 0x000056239253e9be _start
(/scratch/software/clang-trunk/bin/clang-13+0x125c9be)
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
24d48d45cc302a6abeab139d87ba87f7a2335323)
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-f6cdf9.c
clang-13: note: diagnostic msg: /tmp/mutant-f6cdf9.sh
clang-13: note: diagnostic msg:
********************
--
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20210624/a13b004b/attachment-0001.html>
More information about the llvm-bugs
mailing list