[llvm-bugs] [Bug 50835] New: ICE: llvm/include/llvm/Support/MathExtras.h:729: uint64_t llvm::alignTo(uint64_t, uint64_t, uint64_t): Assertion `Align != 0u && "Align can't be 0."' failed.
via llvm-bugs
llvm-bugs at lists.llvm.org
Wed Jun 23 20:16:38 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=50835
Bug ID: 50835
Summary: ICE: llvm/include/llvm/Support/MathExtras.h:729:
uint64_t llvm::alignTo(uint64_t, uint64_t, uint64_t):
Assertion `Align != 0u && "Align can't be 0."' 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
int veci __attribute__((vector_size(4 * -1)));
$ clang-trunk mutant.c
clang-13:
/tmp/tmp.FIfHBNID2p-clang-builder/llvm-project/llvm/include/llvm/Support/MathExtras.h:729:
uint64_t llvm::alignTo(uint64_t, uint64_t, uint64_t): Assertion `Align != 0u &&
"Align can't be 0."' 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_101557_0153/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_101557_0153/delta/perses_result
-ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1
-o /tmp/mutant-fb1de2.o -x c mutant.c
1. <eof> parser at end of file
#0 0x0000564861333c64 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x000056486133141e SignalHandler(int) Signals.cpp:0:0
#2 0x00007ff634fbf3c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#3 0x00007ff634a5e18b raise
/build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#4 0x00007ff634a3d859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
#5 0x00007ff634a3d729 get_sysdep_segment_value
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
#6 0x00007ff634a3d729 _nl_load_domain
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
#7 0x00007ff634a4ef36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
#8 0x0000564861822c79 (/scratch/software/clang-trunk/bin/clang-13+0x3e3dc79)
#9 0x00005648641b8523 clang::ASTContext::getTypeInfoImpl(clang::Type const*)
const (/scratch/software/clang-trunk/bin/clang-13+0x67d3523)
#10 0x00005648641a82ff clang::ASTContext::getTypeInfo(clang::Type const*) const
(/scratch/software/clang-trunk/bin/clang-13+0x67c32ff)
#11 0x00005648641b7103 clang::ASTContext::getPreferredTypeAlign(clang::Type
const*) const (/scratch/software/clang-trunk/bin/clang-13+0x67d2103)
#12 0x00005648641b8bfb clang::ASTContext::getDeclAlign(clang::Decl const*,
bool) const (/scratch/software/clang-trunk/bin/clang-13+0x67d3bfb)
#13 0x0000564861765e83
clang::CodeGen::CodeGenModule::GetOrCreateLLVMGlobal(llvm::StringRef,
llvm::Type*, unsigned int, clang::VarDecl const*,
clang::CodeGen::ForDefinition_t)
(/scratch/software/clang-trunk/bin/clang-13+0x3d80e83)
#14 0x00005648617683cb
clang::CodeGen::CodeGenModule::GetAddrOfGlobalVar(clang::VarDecl const*,
llvm::Type*, clang::CodeGen::ForDefinition_t)
(/scratch/software/clang-trunk/bin/clang-13+0x3d833cb)
#15 0x000056486176431f
clang::CodeGen::CodeGenModule::EmitGlobalVarDefinition(clang::VarDecl const*,
bool) (/scratch/software/clang-trunk/bin/clang-13+0x3d7f31f)
#16 0x00005648617657bd
clang::CodeGen::CodeGenModule::EmitTentativeDefinition(clang::VarDecl const*)
(/scratch/software/clang-trunk/bin/clang-13+0x3d807bd)
#17 0x0000564863689062 clang::Sema::ActOnEndOfTranslationUnit()
(/scratch/software/clang-trunk/bin/clang-13+0x5ca4062)
#18 0x0000564863555a5e
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b70a5e)
#19 0x0000564863547ff9 clang::ParseAST(clang::Sema&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b62ff9)
#20 0x000056486248f678 clang::CodeGenAction::ExecuteAction()
(/scratch/software/clang-trunk/bin/clang-13+0x4aaa678)
#21 0x0000564861d3f029 clang::FrontendAction::Execute()
(/scratch/software/clang-trunk/bin/clang-13+0x435a029)
#22 0x0000564861cd21e6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/scratch/software/clang-trunk/bin/clang-13+0x42ed1e6)
#23 0x0000564861e1ceb0
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/scratch/software/clang-trunk/bin/clang-13+0x4437eb0)
#24 0x000056485ec456f6 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/scratch/software/clang-trunk/bin/clang-13+0x12606f6)
#25 0x000056485ec41a38 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#26 0x000056485eb6f0a6 main
(/scratch/software/clang-trunk/bin/clang-13+0x118a0a6)
#27 0x00007ff634a3f0b3 __libc_start_main
/build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
#28 0x000056485ec415ae _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-993fc4.c
clang-13: note: diagnostic msg: /tmp/mutant-993fc4.sh
clang-13: note: diagnostic msg:
********************
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