<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 crashes on a trivial program with address sanitizer and coverage when using new pass manager"
href="https://bugs.llvm.org/show_bug.cgi?id=43644">43644</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>clang crashes on a trivial program with address sanitizer and coverage when using new pass manager
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>-New Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>manojgupta@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
</td>
</tr></table>
<p>
<div>
<pre>$ cat test.c
a() {}
$ bin/clang -Qunused-arguments -O2 -fprofile-instr-generate -fcoverage-mapping
-fsanitize=address -fexperimental-new-pass-manager -c test.ctest.c:1:1:
warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
a() {}
^
test.c:1:6: warning: control reaches end of non-void function [-Wreturn-type]
a() {}
^
clang-10: llvm-project/llvm/include/llvm/Support/Casting.h:264: typename
llvm::cast_retty<X, Y*>::ret_type llvm::cast(Y*) [with X =
llvm::ConstantDataArray; Y = llvm::Constant; typename llvm::cast_retty<X,
Y*>::ret_type = llvm::ConstantDataArray*]: Assertion `isa<X>(Val) &&
"cast<Ty>() argument of incompatible type!"' failed.
Stack dump:
0. Program arguments: build/bin/clang-10 -cc1 -triple
x86_64-unknown-linux-gnu -emit-obj -disable-free -main-file-name test.c
-mrelocation-model static -mthread-model posix -mframe-pointer=none
-fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables
-fuse-init-array -target-cpu x86-64 -dwarf-column-info -debugger-tuning=gdb
-fprofile-instrument=clang -fcoverage-mapping -resource-dir
build/lib/clang/10.0.0 -internal-isystem /usr/local/include -internal-isystem
build/lib/clang/10.0.0/include -internal-externc-isystem
/usr/include/x86_64-linux-gnu -internal-externc-isystem /include
-internal-externc-isystem /usr/include -O2 -fdebug-compilation-dir build
-ferror-limit 19 -fmessage-length 0 -fsanitize=address
-fsanitize-blacklist=build/lib/clang/10.0.0/share/asan_blacklist.txt
-fsanitize-address-use-after-scope -fno-assume-sane-operator-new
-fgnuc-version=4.2.1 -fexperimental-new-pass-manager -fobjc-runtime=gcc
-fdiagnostics-show-option -fcolor-diagnostics -vectorize-loops -vectorize-slp
-faddrsig -o test.o -x c test.c
1. <eof> parser at end of file
2. Optimizer
#0 0x0000557d6c7a060e llvm::sys::PrintStackTrace(llvm::raw_ostream&)
llvm-project/llvm/lib/Support/Unix/Signals.inc:532:22
#1 0x0000557d6c7a06a1 PrintStackTraceSignalHandler(void*)
llvm-project/llvm/lib/Support/Unix/Signals.inc:593:1
#2 0x0000557d6c79e827 llvm::sys::RunSignalHandlers()
llvm-project/llvm/lib/Support/Signals.cpp:68:20
#3 0x0000557d6c7a008a SignalHandler(int)
llvm-project/llvm/lib/Support/Unix/Signals.inc:384:1
#4 0x00007f34902ac3a0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x123a0)
#5 0x00007f348f33acfb raise (/lib/x86_64-linux-gnu/libc.so.6+0x36cfb)
#6 0x00007f348f3258ad abort (/lib/x86_64-linux-gnu/libc.so.6+0x218ad)
#7 0x00007f348f32577f (/lib/x86_64-linux-gnu/libc.so.6+0x2177f)
#8 0x00007f348f333542 (/lib/x86_64-linux-gnu/libc.so.6+0x2f542)
#9 0x0000557d6a4dc614 llvm::cast_retty<llvm::ConstantDataArray,
llvm::Constant*>::ret_type llvm::cast<llvm::ConstantDataArray,
llvm::Constant>(llvm::Constant*)
llvm-project/llvm/include/llvm/Support/Casting.h:264:3
#10 0x0000557d6ee833bc
llvm::getPGOFuncNameVarInitializer(llvm::GlobalVariable*)
llvm-project/llvm/lib/ProfileData/InstrProf.cpp:420:38
#11 0x0000557d6c2db681
llvm::InstrProfiling::getOrCreateRegionCounters(llvm::InstrProfIncrementInst*)
llvm-project/llvm/include/llvm/ProfileData/InstrProfData.inc:72:1
#12 0x0000557d6c2d9c08 llvm::InstrProfiling::run(llvm::Module&,
std::function<llvm::TargetLibraryInfo const& (llvm::Function&)>)
llvm-project/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp:516:22
#13 0x0000557d6c2d9052 llvm::InstrProfiling::run(llvm::Module&,
llvm::AnalysisManager<llvm::Module>&)
llvm-project/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp:381:7
#14 0x0000557d6ca98a3c llvm::detail::PassModel<llvm::Module,
llvm::InstrProfiling, llvm::PreservedAnalyses,
llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&,
llvm::AnalysisManager<llvm::Module>&)
llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:80:3
#15 0x0000557d6bf99888 llvm::PassManager<llvm::Module,
llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&,
llvm::AnalysisManager<llvm::Module>&)
llvm-project/llvm/include/llvm/IR/PassManager.h:519:7
#16 0x0000557d6ca7dbcd (anonymous
namespace)::EmitAssemblyHelper::EmitAssemblyWithNewPassManager(clang::BackendAction,
std::unique_ptr<llvm::raw_pwrite_stream,
std::default_delete<llvm::raw_pwrite_stream> >)
llvm-project/clang/lib/CodeGen/BackendUtil.cpp:1315:12
#17 0x0000557d6ca7f3da clang::EmitBackendOutput(clang::DiagnosticsEngine&,
clang::HeaderSearchOptions const&, 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> >)
llvm-project/clang/lib/CodeGen/BackendUtil.cpp:1534:45</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>