<html>
<head>
<base href="https://bugs.llvm.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [clang][avr] clang crashed when compiling cpp program"
href="https://bugs.llvm.org/show_bug.cgi?id=51287">51287</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[clang][avr] clang crashed when compiling cpp program
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>C++
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>powerman1st@163.com
</td>
</tr>
<tr>
<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
</td>
</tr></table>
<p>
<div>
<pre>clang++ test.cc -O3 -Wall --target=avr -mmcu=atmega328 -S
```
// test.cc
volatile char *p = (volatile char *) 0x4000;
class test {
int v;
public:
test(int q): v(q) {}
int get(void) { return v; }
~test() { *p = v; }
};
test obj(4);
```
clang crashed with info
```
PLEASE submit a bug report to <a href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash
backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: ./bin/clang++ a.cc -O3 -Wall --target=avr
-mmcu=atmega328 -S
1. <eof> parser at end of file
2. a.cc:11:6: LLVM IR generation of declaration 'obj'
3. a.cc:11:6: Generating code for declaration 'obj'
#0 0x00005610f8f6a5cf PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x00005610f8f68490 llvm::sys::CleanupOnSignal(unsigned long)
(./bin/clang+++0x2084490)
#2 0x00005610f8ec1b58 CrashRecoverySignalHandler(int)
CrashRecoveryContext.cpp:0:0
#3 0x00007f19678ad980 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x12980)
#4 0x00005610f93afd9d (anonymous
namespace)::AVRTargetCodeGenInfo::getGlobalVarAddressSpace(clang::CodeGen::CodeGenModule&,
clang::VarDecl const*) const TargetInfo.cpp:0:0
#5 0x00005610f92f32fa
clang::CodeGen::CodeGenModule::GetGlobalVarAddressSpace(clang::VarDecl const*)
(./bin/clang+++0x240f2fa)
#6 0x00005610f9313bc6
clang::CodeGen::CodeGenModule::GetOrCreateLLVMGlobal(llvm::StringRef,
llvm::Type*, unsigned int, clang::VarDecl const*,
clang::CodeGen::ForDefinition_t) (./bin/clang+++0x242fbc6)
#7 0x00005610f9314919
clang::CodeGen::CodeGenModule::CreateRuntimeVariable(llvm::Type*,
llvm::StringRef) (./bin/clang+++0x2430919)
#8 0x00005610f9384963 (anonymous
namespace)::ItaniumCXXABI::registerGlobalDtor(clang::CodeGen::CodeGenFunction&,
clang::VarDecl const&, llvm::FunctionCallee, llvm::Constant*)
ItaniumCXXABI.cpp:0:0
#9 0x00005610f95256d9 EmitDeclDestroy(clang::CodeGen::CodeGenFunction&,
clang::VarDecl const&, clang::CodeGen::ConstantAddress) CGDeclCXX.cpp:0:0
#10 0x00005610f952601e
clang::CodeGen::CodeGenFunction::GenerateCXXGlobalVarDeclInitFunc(llvm::Function*,
clang::VarDecl const*, llvm::GlobalVariable*, bool) (./bin/clang+++0x264201e)
#11 0x00005610f95265ab
clang::CodeGen::CodeGenModule::EmitCXXGlobalVarDeclInitFunc(clang::VarDecl
const*, llvm::GlobalVariable*, bool) (./bin/clang+++0x26425ab)
#12 0x00005610f9312b92
clang::CodeGen::CodeGenModule::EmitGlobalVarDefinition(clang::VarDecl const*,
bool) (./bin/clang+++0x242eb92)
#13 0x00005610f932d8f5
clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl,
llvm::GlobalValue*) (./bin/clang+++0x24498f5)
#14 0x00005610f932e13b
clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl)
(./bin/clang+++0x244a13b)
#15 0x00005610f9333d2d
clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) (.part.5272)
CodeGenModule.cpp:0:0
#16 0x00005610f9e7fe91 (anonymous
namespace)::CodeGeneratorImpl::HandleTopLevelDecl(clang::DeclGroupRef)
ModuleBuilder.cpp:0:0
#17 0x00005610f9e73cd2
clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef) crtstuff.c:0:0
#18 0x00005610fab0bc74 clang::ParseAST(clang::Sema&, bool, bool)
(./bin/clang+++0x3c27c74)
#19 0x00005610f9e7dda2 clang::CodeGenAction::ExecuteAction()
(./bin/clang+++0x2f99da2)
#20 0x00005610f9856c21 clang::FrontendAction::Execute()
(./bin/clang+++0x2972c21)
#21 0x00005610f97f4292
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(./bin/clang+++0x2910292)
#22 0x00005610f9922c93
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(./bin/clang+++0x2a3ec93)
#23 0x00005610f7d2700c cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (./bin/clang+++0xe4300c)
#24 0x00005610f7d233dd ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#25 0x00005610f969f8a5 void llvm::function_ref<void
()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef>
<span class="quote">>, std::__cxx11::basic_string<char, std::char_traits<char>,</span >
std::allocator<char> >*, bool*) const::'lambda'()>(long) Job.cpp:0:0
#26 0x00005610f8ec2143
llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>)
(./bin/clang+++0x1fde143)
#27 0x00005610f96a195e
clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef>
<span class="quote">>, std::__cxx11::basic_string<char, std::char_traits<char>,</span >
std::allocator<char> >*, bool*) const (./bin/clang+++0x27bd95e)
#28 0x00005610f967739a
clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&,
clang::driver::Command const*&) const (./bin/clang+++0x279339a)
#29 0x00005610f9677eef
clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&,
llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) const
(./bin/clang+++0x2793eef)
#30 0x00005610f96812d5
clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&,
llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&)
(./bin/clang+++0x279d2d5)
#31 0x00005610f7c9e1ce main (./bin/clang+++0xdba1ce)
#32 0x00007f1966541bf7 __libc_start_main
/build/glibc-S9d2JN/glibc-2.27/csu/../csu/libc-start.c:344:0
#33 0x00005610f7d22f5a _start (./bin/clang+++0xe3ef5a)
clang-13: error: clang frontend command failed with exit code 139 (use -v to
see invocation)
clang version 14.0.0 (<a href="mailto:git@github.com">git@github.com</a>:llvm/llvm-project.git
4b563067622d5fd58d5d91de8ce256a1bd36129a)
Target: avr
Thread model: posix
InstalledDir: /mnt/llvm/llvm-0/build-avr/./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/a-c7b806.cpp
clang-13: note: diagnostic msg: /tmp/a-c7b806.sh
clang-13: note: diagnostic msg:
********************
```</pre>
</div>
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