<html>
<head>
<base href="https://llvm.org/bugs/" />
</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 --- - crash on invalid C++ code on x86_64-linux-gnu (Assertion `!IsDependent && "explicit instantiation of dependent name not yet handled"' failed.)"
href="https://llvm.org/bugs/show_bug.cgi?id=30457">30457</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>crash on invalid C++ code on x86_64-linux-gnu (Assertion `!IsDependent && "explicit instantiation of dependent name not yet handled"' failed.)
</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>Windows NT
</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>chengniansun@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>$ clang-trunk -v
clang version 4.0.0 (trunk 281908) (llvm/trunk 281907)
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 small.C
small.C:2:3: warning: extraneous template parameter list in template
specialization
template <> template <class, class> class istreambuf_iterator {
^~~~~~~~~~~
clang-4.0:
/tmp/llvm-builder/llvm-source-trunk/tools/clang/lib/Sema/SemaTemplate.cpp:7687:
clang::DeclResult clang::Sema::ActOnExplicitInstantiation(clang::Scope*,
clang::SourceLocation, clang::SourceLocation, unsigned int,
clang::SourceLocation, clang::CXXScopeSpec&, clang::IdentifierInfo*,
clang::SourceLocation, clang::AttributeList*): Assertion `!IsDependent &&
"explicit instantiation of dependent name not yet handled"' failed.
#0 0x0000000001c9e155 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/usr/local/clang-trunk/bin/clang-4.0+0x1c9e155)
#1 0x0000000001c9c0fe llvm::sys::RunSignalHandlers()
(/usr/local/clang-trunk/bin/clang-4.0+0x1c9c0fe)
#2 0x0000000001c9c262 SignalHandler(int)
(/usr/local/clang-trunk/bin/clang-4.0+0x1c9c262)
#3 0x00007f2cc9d4c340 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x10340)
#4 0x00007f2cc8b3dcc9 gsignal
/build/eglibc-3GlaMS/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0
#5 0x00007f2cc8b410d8 abort
/build/eglibc-3GlaMS/eglibc-2.19/stdlib/abort.c:91:0
#6 0x00007f2cc8b36b86 __assert_fail_base
/build/eglibc-3GlaMS/eglibc-2.19/assert/assert.c:92:0
#7 0x00007f2cc8b36c32 (/lib/x86_64-linux-gnu/libc.so.6+0x2fc32)
#8 0x0000000002d291b5 clang::Sema::ActOnExplicitInstantiation(clang::Scope*,
clang::SourceLocation, clang::SourceLocation, unsigned int,
clang::SourceLocation, clang::CXXScopeSpec&, clang::IdentifierInfo*,
clang::SourceLocation, clang::AttributeList*)
(/usr/local/clang-trunk/bin/clang-4.0+0x2d291b5)
#9 0x000000000280d223 clang::Parser::ParseClassSpecifier(clang::tok::TokenKind,
clang::SourceLocation, clang::DeclSpec&, clang::Parser::ParsedTemplateInfo
const&, clang::AccessSpecifier, bool, clang::Parser::DeclSpecContext,
clang::Parser::ParsedAttributesWithRange&)
(/usr/local/clang-trunk/bin/clang-4.0+0x280d223)
#10 0x00000000027f076c
clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&,
clang::Parser::ParsedTemplateInfo const&, clang::AccessSpecifier,
clang::Parser::DeclSpecContext, clang::Parser::LateParsedAttrList*)
(/usr/local/clang-trunk/bin/clang-4.0+0x27f076c)
#11 0x0000000002808459
clang::Parser::ParseCXXClassMemberDeclaration(clang::AccessSpecifier,
clang::AttributeList*, clang::Parser::ParsedTemplateInfo const&,
clang::ParsingDeclRAIIObject*) (/usr/local/clang-trunk/bin/clang-4.0+0x2808459)
#12 0x0000000002859cda
clang::Parser::ParseSingleDeclarationAfterTemplate(unsigned int,
clang::Parser::ParsedTemplateInfo const&, clang::ParsingDeclRAIIObject&,
clang::SourceLocation&, clang::AccessSpecifier, clang::AttributeList*)
(/usr/local/clang-trunk/bin/clang-4.0+0x2859cda)
#13 0x000000000285a7d9 clang::Parser::ParseExplicitInstantiation(unsigned int,
clang::SourceLocation, clang::SourceLocation, clang::SourceLocation&,
clang::AccessSpecifier) (/usr/local/clang-trunk/bin/clang-4.0+0x285a7d9)
#14 0x000000000285a9cc
clang::Parser::ParseDeclarationStartingWithTemplate(unsigned int,
clang::SourceLocation&, clang::AccessSpecifier, clang::AttributeList*)
(/usr/local/clang-trunk/bin/clang-4.0+0x285a9cc)
#15 0x0000000002808854
clang::Parser::ParseCXXClassMemberDeclaration(clang::AccessSpecifier,
clang::AttributeList*, clang::Parser::ParsedTemplateInfo const&,
clang::ParsingDeclRAIIObject*) (/usr/local/clang-trunk/bin/clang-4.0+0x2808854)
#16 0x000000000280a5ed
clang::Parser::ParseCXXClassMemberDeclarationWithPragmas(clang::AccessSpecifier&,
clang::Parser::ParsedAttributesWithRange&, clang::TypeSpecifierType,
clang::Decl*) (/usr/local/clang-trunk/bin/clang-4.0+0x280a5ed)
#17 0x000000000280ad44
clang::Parser::ParseCXXMemberSpecification(clang::SourceLocation,
clang::SourceLocation, clang::Parser::ParsedAttributesWithRange&, unsigned int,
clang::Decl*) (/usr/local/clang-trunk/bin/clang-4.0+0x280ad44)
#18 0x000000000280c0b6
clang::Parser::ParseClassSpecifier(clang::tok::TokenKind,
clang::SourceLocation, clang::DeclSpec&, clang::Parser::ParsedTemplateInfo
const&, clang::AccessSpecifier, bool, clang::Parser::DeclSpecContext,
clang::Parser::ParsedAttributesWithRange&)
(/usr/local/clang-trunk/bin/clang-4.0+0x280c0b6)
#19 0x00000000027f076c
clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&,
clang::Parser::ParsedTemplateInfo const&, clang::AccessSpecifier,
clang::Parser::DeclSpecContext, clang::Parser::LateParsedAttrList*)
(/usr/local/clang-trunk/bin/clang-4.0+0x27f076c)
#20 0x0000000002808459
clang::Parser::ParseCXXClassMemberDeclaration(clang::AccessSpecifier,
clang::AttributeList*, clang::Parser::ParsedTemplateInfo const&,
clang::ParsingDeclRAIIObject*) (/usr/local/clang-trunk/bin/clang-4.0+0x2808459)
#21 0x0000000002859cda
clang::Parser::ParseSingleDeclarationAfterTemplate(unsigned int,
clang::Parser::ParsedTemplateInfo const&, clang::ParsingDeclRAIIObject&,
clang::SourceLocation&, clang::AccessSpecifier, clang::AttributeList*)
(/usr/local/clang-trunk/bin/clang-4.0+0x2859cda)
#22 0x000000000285a5be
clang::Parser::ParseTemplateDeclarationOrSpecialization(unsigned int,
clang::SourceLocation&, clang::AccessSpecifier, clang::AttributeList*)
(/usr/local/clang-trunk/bin/clang-4.0+0x285a5be)
#23 0x000000000285a8fa
clang::Parser::ParseDeclarationStartingWithTemplate(unsigned int,
clang::SourceLocation&, clang::AccessSpecifier, clang::AttributeList*)
(/usr/local/clang-trunk/bin/clang-4.0+0x285a8fa)
#24 0x0000000002808854
clang::Parser::ParseCXXClassMemberDeclaration(clang::AccessSpecifier,
clang::AttributeList*, clang::Parser::ParsedTemplateInfo const&,
clang::ParsingDeclRAIIObject*) (/usr/local/clang-trunk/bin/clang-4.0+0x2808854)
#25 0x000000000280a5ed
clang::Parser::ParseCXXClassMemberDeclarationWithPragmas(clang::AccessSpecifier&,
clang::Parser::ParsedAttributesWithRange&, clang::TypeSpecifierType,
clang::Decl*) (/usr/local/clang-trunk/bin/clang-4.0+0x280a5ed)
#26 0x000000000280ad44
clang::Parser::ParseCXXMemberSpecification(clang::SourceLocation,
clang::SourceLocation, clang::Parser::ParsedAttributesWithRange&, unsigned int,
clang::Decl*) (/usr/local/clang-trunk/bin/clang-4.0+0x280ad44)
#27 0x000000000280c0b6
clang::Parser::ParseClassSpecifier(clang::tok::TokenKind,
clang::SourceLocation, clang::DeclSpec&, clang::Parser::ParsedTemplateInfo
const&, clang::AccessSpecifier, bool, clang::Parser::DeclSpecContext,
clang::Parser::ParsedAttributesWithRange&)
(/usr/local/clang-trunk/bin/clang-4.0+0x280c0b6)
#28 0x00000000027f076c
clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&,
clang::Parser::ParsedTemplateInfo const&, clang::AccessSpecifier,
clang::Parser::DeclSpecContext, clang::Parser::LateParsedAttrList*)
(/usr/local/clang-trunk/bin/clang-4.0+0x27f076c)
#29 0x0000000002858e4c
clang::Parser::ParseSingleDeclarationAfterTemplate(unsigned int,
clang::Parser::ParsedTemplateInfo const&, clang::ParsingDeclRAIIObject&,
clang::SourceLocation&, clang::AccessSpecifier, clang::AttributeList*)
(/usr/local/clang-trunk/bin/clang-4.0+0x2858e4c)
#30 0x000000000285a5be
clang::Parser::ParseTemplateDeclarationOrSpecialization(unsigned int,
clang::SourceLocation&, clang::AccessSpecifier, clang::AttributeList*)
(/usr/local/clang-trunk/bin/clang-4.0+0x285a5be)
#31 0x000000000285a8fa
clang::Parser::ParseDeclarationStartingWithTemplate(unsigned int,
clang::SourceLocation&, clang::AccessSpecifier, clang::AttributeList*)
(/usr/local/clang-trunk/bin/clang-4.0+0x285a8fa)
#32 0x00000000027f9ad4 clang::Parser::ParseDeclaration(unsigned int,
clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&)
(/usr/local/clang-trunk/bin/clang-4.0+0x27f9ad4)
#33 0x00000000027dac91
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) (/usr/local/clang-trunk/bin/clang-4.0+0x27dac91)
#34 0x00000000027db6c2
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&)
(/usr/local/clang-trunk/bin/clang-4.0+0x27db6c2)
#35 0x00000000027db91e
clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&)
(/usr/local/clang-trunk/bin/clang-4.0+0x27db91e)
#36 0x00000000027d3ff4 clang::ParseAST(clang::Sema&, bool, bool)
(/usr/local/clang-trunk/bin/clang-4.0+0x27d3ff4)
#37 0x00000000023fd3fe clang::CodeGenAction::ExecuteAction()
(/usr/local/clang-trunk/bin/clang-4.0+0x23fd3fe)
#38 0x0000000002110bd6 clang::FrontendAction::Execute()
(/usr/local/clang-trunk/bin/clang-4.0+0x2110bd6)
#39 0x00000000020eb2de
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/usr/local/clang-trunk/bin/clang-4.0+0x20eb2de)
#40 0x00000000021987c6
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/usr/local/clang-trunk/bin/clang-4.0+0x21987c6)
#41 0x0000000000a8c9f8 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/usr/local/clang-trunk/bin/clang-4.0+0xa8c9f8)
#42 0x0000000000a35401 main (/usr/local/clang-trunk/bin/clang-4.0+0xa35401)
#43 0x00007f2cc8b28ec5 __libc_start_main
/build/eglibc-3GlaMS/eglibc-2.19/csu/libc-start.c:321:0
#44 0x0000000000a88a1e _start (/usr/local/clang-trunk/bin/clang-4.0+0xa88a1e)
Stack dump:
0. Program arguments: /usr/local/clang-trunk/bin/clang-4.0 -cc1 -triple
x86_64-unknown-linux-gnu -emit-obj -mrelax-all -disable-free -main-file-name
small.C -mrelocation-model static -mthread-model posix -mdisable-fp-elim
-fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables
-fuse-init-array -target-cpu x86-64 -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 -c-isystem /usr/local/include/csmith
-internal-isystem
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.9/../../../../include/c++/4.9
-internal-isystem
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.9/../../../../include/x86_64-linux-gnu/c++/4.9
-internal-isystem
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.9/../../../../include/x86_64-linux-gnu/c++/4.9
-internal-isystem
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.9/../../../../include/c++/4.9/backward
-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 -fdeprecated-macro
-fdebug-compilation-dir
/home/cnsun/workspace/meta-compiler/error-fuzzer/exp-runs/crash/RandomTokenManipulationFuzzingEngine/20160914-clang++-trunk--Weverything-O3-c-std=c++14-build-140909
-ferror-limit 19 -fmessage-length 127 -fobjc-runtime=gcc -fcxx-exceptions
-fexceptions -fdiagnostics-show-option -fcolor-diagnostics -o
/tmp/small-196010.o -x c++ small.C
1. small.C:3:66: current parser token ';'
2. small.C:1:25: parsing struct/union/class body 'char_traits'
3. small.C:2:39: parsing struct/union/class body
'char_traits::istreambuf_iterator'
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 281908) (llvm/trunk 281907)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
clang-4.0: note: diagnostic msg: PLEASE submit a bug report to
<a href="http://llvm.org/bugs/">http://llvm.org/bugs/</a> 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-8b9b29.cpp
clang-4.0: note: diagnostic msg: /tmp/small-8b9b29.sh
clang-4.0: note: diagnostic msg:
********************
$ cat small.C
template <class _CharT> struct char_traits {
template <> template <class, class> class istreambuf_iterator {
template class istreambuf_iterator<char, char_traits>::_Proxy;
$</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>