[llvm-bugs] [Bug 31152] New: crash at -O3 in 32-bit mode on x86_64-linux-gnu (Assertion `Header.isValid()' failed.)
via llvm-bugs
llvm-bugs at lists.llvm.org
Thu Nov 24 01:54:32 PST 2016
https://llvm.org/bugs/show_bug.cgi?id=31152
Bug ID: 31152
Summary: crash at -O3 in 32-bit mode on x86_64-linux-gnu
(Assertion `Header.isValid()' failed.)
Product: clang
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangbugs at nondot.org
Reporter: chengniansun at gmail.com
CC: llvm-bugs at lists.llvm.org
Classification: Unclassified
$ clang-trunk -v
clang version 4.0.0 (trunk 287773)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/5
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/5.3.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8.5
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/4.9
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/4.9.3
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/5
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/5.3.0
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/5
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/5.3.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8.5
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9.3
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5.3.0
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/4.9
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@mx32
Selected multilib: .;@m64
$
$ clang-trunk -O3 small.c
clang-4.0:
/tmp/llvm-builder/llvm-source-trunk/include/llvm/Analysis/BlockFrequencyInfoImpl.h:1041:
void llvm::BlockFrequencyInfoImpl<BlockT>::initializeLoops() [with BT =
llvm::BasicBlock]: Assertion `Header.isValid()' failed.
#0 0x0000000001d1c825 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/usr/local/clang-trunk/bin/clang-4.0+0x1d1c825)
#1 0x0000000001d1a7fe llvm::sys::RunSignalHandlers()
(/usr/local/clang-trunk/bin/clang-4.0+0x1d1a7fe)
#2 0x0000000001d1a962 SignalHandler(int)
(/usr/local/clang-trunk/bin/clang-4.0+0x1d1a962)
#3 0x00007f8ca6d31340 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x10340)
#4 0x00007f8ca5b22cc9 gsignal
/build/eglibc-3GlaMS/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0
#5 0x00007f8ca5b260d8 abort
/build/eglibc-3GlaMS/eglibc-2.19/stdlib/abort.c:91:0
#6 0x00007f8ca5b1bb86 __assert_fail_base
/build/eglibc-3GlaMS/eglibc-2.19/assert/assert.c:92:0
#7 0x00007f8ca5b1bc32 (/lib/x86_64-linux-gnu/libc.so.6+0x2fc32)
#8 0x0000000002626897
llvm::BlockFrequencyInfoImpl<llvm::BasicBlock>::initializeLoops()
(/usr/local/clang-trunk/bin/clang-4.0+0x2626897)
#9 0x000000000262a3ba
llvm::BlockFrequencyInfoImpl<llvm::BasicBlock>::calculate(llvm::Function
const&, llvm::BranchProbabilityInfo const&, llvm::LoopInfo const&)
(/usr/local/clang-trunk/bin/clang-4.0+0x262a3ba)
#10 0x000000000262ad60 llvm::BlockFrequencyInfo::calculate(llvm::Function
const&, llvm::BranchProbabilityInfo const&, llvm::LoopInfo const&)
(/usr/local/clang-trunk/bin/clang-4.0+0x262ad60)
#11 0x000000000163f3b2 (anonymous
namespace)::CodeGenPrepare::eliminateMostlyEmptyBlocks(llvm::Function&)
(/usr/local/clang-trunk/bin/clang-4.0+0x163f3b2)
#12 0x0000000001646980 (anonymous
namespace)::CodeGenPrepare::runOnFunction(llvm::Function&) [clone .part.1072]
(/usr/local/clang-trunk/bin/clang-4.0+0x1646980)
#13 0x0000000001984713 llvm::FPPassManager::runOnFunction(llvm::Function&)
(/usr/local/clang-trunk/bin/clang-4.0+0x1984713)
#14 0x00000000019847bc llvm::FPPassManager::runOnModule(llvm::Module&)
(/usr/local/clang-trunk/bin/clang-4.0+0x19847bc)
#15 0x00000000019850bf llvm::legacy::PassManagerImpl::run(llvm::Module&)
(/usr/local/clang-trunk/bin/clang-4.0+0x19850bf)
#16 0x0000000001e88192 (anonymous
namespace)::EmitAssemblyHelper::EmitAssembly(clang::BackendAction,
std::unique_ptr<llvm::raw_pwrite_stream,
std::default_delete<llvm::raw_pwrite_stream> >)
(/usr/local/clang-trunk/bin/clang-4.0+0x1e88192)
#17 0x0000000001e89fc5 clang::EmitBackendOutput(clang::DiagnosticsEngine&,
clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions
const&, llvm::DataLayout const&, llvm::Module*, clang::BackendAction,
std::unique_ptr<llvm::raw_pwrite_stream,
std::default_delete<llvm::raw_pwrite_stream> >)
(/usr/local/clang-trunk/bin/clang-4.0+0x1e89fc5)
#18 0x00000000024ae1db
clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&)
(/usr/local/clang-trunk/bin/clang-4.0+0x24ae1db)
#19 0x00000000028a3772 clang::ParseAST(clang::Sema&, bool, bool)
(/usr/local/clang-trunk/bin/clang-4.0+0x28a3772)
#20 0x00000000024a93af clang::CodeGenAction::ExecuteAction()
(/usr/local/clang-trunk/bin/clang-4.0+0x24a93af)
#21 0x00000000021b8446 clang::FrontendAction::Execute()
(/usr/local/clang-trunk/bin/clang-4.0+0x21b8446)
#22 0x00000000021925d6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/usr/local/clang-trunk/bin/clang-4.0+0x21925d6)
#23 0x000000000224106a
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/usr/local/clang-trunk/bin/clang-4.0+0x224106a)
#24 0x0000000000ab79e8 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/usr/local/clang-trunk/bin/clang-4.0+0xab79e8)
#25 0x0000000000a5a061 main (/usr/local/clang-trunk/bin/clang-4.0+0xa5a061)
#26 0x00007f8ca5b0dec5 __libc_start_main
/build/eglibc-3GlaMS/eglibc-2.19/csu/libc-start.c:321:0
#27 0x0000000000ab39ee _start (/usr/local/clang-trunk/bin/clang-4.0+0xab39ee)
Stack dump:
0. Program arguments: /usr/local/clang-trunk/bin/clang-4.0 -cc1 -triple
x86_64-unknown-linux-gnu -emit-obj -disable-free -main-file-name small.c
-mrelocation-model static -mthread-model posix -fmath-errno -masm-verbose
-mconstructor-aliases -munwind-tables -fuse-init-array -target-cpu x86-64
-momit-leaf-frame-pointer -dwarf-column-info -debugger-tuning=gdb -resource-dir
/usr/local/clang-trunk/bin/../lib/clang/4.0.0 -c-isystem . -c-isystem
/usr/local/include/csmith -internal-isystem /usr/local/include
-internal-isystem /usr/local/clang-trunk/bin/../lib/clang/4.0.0/include
-internal-externc-isystem /usr/include/x86_64-linux-gnu
-internal-externc-isystem /include -internal-externc-isystem /usr/include -O3
-fdebug-compilation-dir
/home/cnsun/ramdisk/hermes/run-2/res/20161121-clang-trunk-m64-Weverything-g-O3-build-140629/delta
-ferror-limit 19 -fmessage-length 118 -fobjc-runtime=gcc
-fdiagnostics-show-option -fcolor-diagnostics -vectorize-loops -vectorize-slp
-o /tmp/small-a356af.o -x c small.c
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'small.c'.
4. Running pass 'CodeGen Prepare' on function '@main'
clang-4.0: error: unable to execute command: Aborted (core dumped)
clang-4.0: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 4.0.0 (trunk 287773)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
clang-4.0: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
clang-4.0: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-4.0: note: diagnostic msg: /tmp/small-7522e1.c
clang-4.0: note: diagnostic msg: /tmp/small-7522e1.sh
clang-4.0: note: diagnostic msg:
********************
$
$ cat small.c
int printf(const char*, ...);
int f, h, c, e;
char d[0];
int main() {
{
int k;
for (;;) {
unsigned l;
if (h) {
printf("%d\n", 1);
goto L;
}
if (f)
break;
}
if (h) {
while (f || h > c)
for (;;) {
e = 0;
for (; e <= 1; e++)
if (d[e])
break;
break;
}
L:
return 5;
}
}
return 0;
}
$
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