[llvm-bugs] [Bug 50913] New: ICE: llvm::IntegerType* llvm::IntegerType::get(llvm::LLVMContext&, unsigned int): Assertion `NumBits <= MAX_INT_BITS && "bitwidth too large"' failed.
via llvm-bugs
llvm-bugs at lists.llvm.org
Sun Jun 27 10:50:21 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=50913
Bug ID: 50913
Summary: ICE: llvm::IntegerType*
llvm::IntegerType::get(llvm::LLVMContext&, unsigned
int): Assertion `NumBits <= MAX_INT_BITS && "bitwidth
too large"' failed.
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: -New Bugs
Assignee: unassignedclangbugs at nondot.org
Reporter: cnsun at uwaterloo.ca
CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org,
neeilans at live.com, richard-llvm at metafoo.co.uk
$ clang-trunk -v
clang version 13.0.0 (https://github.com/llvm/llvm-project.git
699d47472c3f7c5799fe75486689545179cfba03)
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
typedef struct {
struct {
struct {
struct {
struct {
struct {
struct {
long a[6]
} a[6]
} a[6]
} a[6]
} a[6]
} a[6]
} a[6]
} b;
b c;
d() { asm("" : "+r"(c)); }
$ clang-trunk -w mutant.c
clang-13:
/tmp/tmp.MZZAoX1zOr-clang-builder/llvm-project/llvm/lib/IR/Type.cpp:277: static
llvm::IntegerType* llvm::IntegerType::get(llvm::LLVMContext&, unsigned int):
Assertion `NumBits <= MAX_INT_BITS && "bitwidth too large"' 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_20210627_125419_13d0/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 -w
-fdebug-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/default_c_finding_folder/crash_20210627_125419_13d0/delta/perses_result
-ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1
-o /tmp/mutant-540b06.o -x c mutant.c
1. <eof> parser at end of file
2. mutant.c:17:1: LLVM IR generation of declaration 'd'
3. mutant.c:17:1: Generating code for declaration 'd'
#0 0x0000558ac909a684 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x0000558ac9097e3e SignalHandler(int) Signals.cpp:0:0
#2 0x00007f686c0363c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#3 0x00007f686bad518b raise
/build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#4 0x00007f686bab4859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
#5 0x00007f686bab4729 get_sysdep_segment_value
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
#6 0x00007f686bab4729 _nl_load_domain
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
#7 0x00007f686bac5f36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
#8 0x0000558ac87e2af8 llvm::IntegerType::get(llvm::LLVMContext&, unsigned int)
(/scratch/software/clang-trunk/bin/clang-13+0x30a5af8)
#9 0x0000558ac9425bfa
clang::CodeGen::CodeGenFunction::EmitAsmStmt(clang::AsmStmt const&)
(/scratch/software/clang-trunk/bin/clang-13+0x3ce8bfa)
#10 0x0000558ac942a44b clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt
const*, llvm::ArrayRef<clang::Attr const*>)
(/scratch/software/clang-trunk/bin/clang-13+0x3ced44b)
#11 0x0000558ac943067c
clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt
const&, bool, clang::CodeGen::AggValueSlot)
(/scratch/software/clang-trunk/bin/clang-13+0x3cf367c)
#12 0x0000558ac9487ac1
clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*)
(/scratch/software/clang-trunk/bin/clang-13+0x3d4aac1)
#13 0x0000558ac949931c
clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl,
llvm::Function*, clang::CodeGen::CGFunctionInfo const&)
(/scratch/software/clang-trunk/bin/clang-13+0x3d5c31c)
#14 0x0000558ac94f29b6
clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl,
llvm::GlobalValue*) (/scratch/software/clang-trunk/bin/clang-13+0x3db59b6)
#15 0x0000558ac94ee505
clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl,
llvm::GlobalValue*) (/scratch/software/clang-trunk/bin/clang-13+0x3db1505)
#16 0x0000558ac94ee96b
clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl)
(/scratch/software/clang-trunk/bin/clang-13+0x3db196b)
#17 0x0000558ac94f7422
clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) (.part.0)
CodeGenModule.cpp:0:0
#18 0x0000558aca1fa099 (anonymous
namespace)::CodeGeneratorImpl::HandleTopLevelDecl(clang::DeclGroupRef)
ModuleBuilder.cpp:0:0
#19 0x0000558aca1ec280
clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef)
(/scratch/software/clang-trunk/bin/clang-13+0x4aaf280)
#20 0x0000558acb2afb64 clang::ParseAST(clang::Sema&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b72b64)
#21 0x0000558aca1f7218 clang::CodeGenAction::ExecuteAction()
(/scratch/software/clang-trunk/bin/clang-13+0x4aba218)
#22 0x0000558ac9aa6a79 clang::FrontendAction::Execute()
(/scratch/software/clang-trunk/bin/clang-13+0x4369a79)
#23 0x0000558ac9a39cc6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/scratch/software/clang-trunk/bin/clang-13+0x42fccc6)
#24 0x0000558ac9b849c0
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/scratch/software/clang-trunk/bin/clang-13+0x44479c0)
#25 0x0000558ac69a2696 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/scratch/software/clang-trunk/bin/clang-13+0x1265696)
#26 0x0000558ac699e9d8 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#27 0x0000558ac68cc0e6 main
(/scratch/software/clang-trunk/bin/clang-13+0x118f0e6)
#28 0x00007f686bab60b3 __libc_start_main
/build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
#29 0x0000558ac699e54e _start
(/scratch/software/clang-trunk/bin/clang-13+0x126154e)
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
699d47472c3f7c5799fe75486689545179cfba03)
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-132f98.c
clang-13: note: diagnostic msg: /tmp/mutant-132f98.sh
clang-13: note: diagnostic msg:
********************
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