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<head>
<base href="http://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - parser crash"
href="http://llvm.org/bugs/show_bug.cgi?id=15176">15176</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>parser crash
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>3.1
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</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>Frontend
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>urykhy@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>i'm playing with llvm/clang and got a core dump while trying to build c++11
source.
let me know if you need more information.
0 libLLVM-3.0.so.1 0x40daafc8
1 libLLVM-3.0.so.1 0x40dab4e4
2 0x4001d400 __kernel_sigreturn + 0
3 clang 0x08701fc4
clang::Sema::DiagnoseUnexpandedParameterPack(clang::Expr*,
clang::Sema::UnexpandedParameterPackContext) + 36
4 clang 0x0856c1e2
clang::Sema::AddCXXDirectInitializerToDecl(clang::Decl*, clang::SourceLocation,
clang::ASTMultiPtr<clang::Expr*>, clang::SourceLocation, bool) + 1906
5 clang 0x0845ce29
clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes(clang::Declarator&,
clang::Parser::ParsedTemplateInfo const&) + 1337
6 clang 0x08460b74
clang::Parser::ParseDeclGroup(clang::Parser::ParsingDeclSpec&, unsigned int,
bool, clang::SourceLocation*, clang::Parser::ForRangeInit*) + 1300
7 clang 0x084661b3
clang::Parser::ParseSimpleDeclaration(clang::ASTOwningVector<clang::Stmt*,
32u>&, unsigned int, clang::SourceLocation&, clang::ParsedAttributes&, bool,
clang::Parser::ForRangeInit*) + 803
8 clang 0x084663d2
clang::Parser::ParseDeclaration(clang::ASTOwningVector<clang::Stmt*, 32u>&,
unsigned int, clang::SourceLocation&,
clang::Parser::ParsedAttributesWithRange&) + 178
9 clang 0x084376ad
clang::Parser::ParseStatementOrDeclaration(clang::ASTOwningVector<clang::Stmt*,
32u>&, bool) + 413
10 clang 0x08434954 clang::Parser::ParseCompoundStatementBody(bool)
+ 1652
11 clang 0x084352b4
clang::Parser::ParseFunctionStatementBody(clang::Decl*,
clang::Parser::ParseScope&) + 164
12 clang 0x08451cc9
clang::Parser::ParseFunctionDefinition(clang::Parser::ParsingDeclarator&,
clang::Parser::ParsedTemplateInfo const&) + 1049
13 clang 0x084608d6
clang::Parser::ParseDeclGroup(clang::Parser::ParsingDeclSpec&, unsigned int,
bool, clang::SourceLocation*, clang::Parser::ForRangeInit*) + 630
14 clang 0x0844cdd8
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsingDeclSpec&,
clang::AccessSpecifier) + 216
15 clang 0x0844d536
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&,
clang::AccessSpecifier) + 742
16 clang 0x0844f786
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::Parser::ParsingDeclSpec*) + 3670
17 clang 0x0844fed4
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&) + 180
18 clang 0x08422b38 clang::ParseAST(clang::Sema&, bool) + 296
19 clang 0x081ffe47 clang::ASTFrontendAction::ExecuteAction() + 103
20 clang 0x082f4cd2 clang::CodeGenAction::ExecuteAction() + 66
21 clang 0x082007a3 clang::FrontendAction::Execute() + 275
22 clang 0x081e6fd5
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 325
23 clang 0x081ceb86
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1126
24 clang 0x081c74fc cc1_main(char const**, char const**, char
const*, void*) + 876
25 clang 0x081c4b95 main + 629
26 libc.so.6 0x415b5e46 __libc_start_main + 230
27 clang 0x081c703d
Stack dump:
0. Program arguments: /usr/bin/clang -cc1 -triple i386-pc-linux-gnu
-emit-obj -disable-free -disable-llvm-verifier -main-file-name client.cpp
-mrelocation-model static -mdisable-fp-elim -masm-verbose -mconstructor-aliases
-target-cpu pentium4 -target-linker-version 2.22 -momit-leaf-frame-pointer -g
-coverage-file CMakeFiles/rpc-client.dir/src/rpc/client.cpp.o -resource-dir
/usr/bin/../lib/clang/3.0 -D _THREAD_SAFE -D _GNU_SOURCE -I /usr/local/include
-I /usr/X11R6/include -I /home/ury/tmp/xSLAr/stuff.git/. -I
/home/ury/tmp/xSLAr/stuff.git/include -I /usr/include/tut -fmodule-cache-path
/var/tmp/clang-module-cache -internal-isystem /usr/include/c++/4.6
-internal-isystem /usr/include/c++/4.6/i486-linux-gnu -internal-isystem
/usr/include/c++/4.6/backward -internal-isystem /usr/local/include
-internal-isystem /usr/bin/../lib/clang/3.0/include -internal-externc-isystem
/usr/include/i486-linux-gnu -internal-externc-isystem /usr/include -O3
-Woverloaded-virtual -Wall -W -Wno-long-long -Wformat -Wno-variadic-macros
-Wfloat-equal -Wdisabled-optimization -Wno-unused-parameter -pedantic
-std=c++0x -fdeprecated-macro -ferror-limit 19 -fmessage-length 138 -pthread
-fgnu-runtime -fobjc-runtime-has-arc -fobjc-runtime-has-weak -fobjc-fragile-abi
-fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -o
CMakeFiles/rpc-client.dir/src/rpc/client.cpp.o -x c++
/home/ury/tmp/xSLAr/stuff.git/src/rpc/client.cpp
1. /home/ury/tmp/xSLAr/stuff.git/src/rpc/client.cpp:29:69: current parser
token ';'
2. /home/ury/tmp/xSLAr/stuff.git/src/rpc/client.cpp:28:1: parsing function
body 'main'
3. /home/ury/tmp/xSLAr/stuff.git/src/rpc/client.cpp:28:1: in compound
statement ('{}')
clang: error: unable to execute command: Segmentation fault (core dumped)
$clang --version
Debian clang version 3.0-6 (tags/RELEASE_30/final) (based on LLVM 3.0)
Target: i386-pc-linux-gnu
Thread model: posix
part of code (client.cpp)
28: int main(void)
29: {
30: Util::SignalHandler spipe(SIGPIPE, [](int, siginfo_t *, void *){;});</pre>
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