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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 --- - clang++ segmentation fault"
href="http://llvm.org/bugs/show_bug.cgi?id=19918">19918</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>clang++ segmentation fault
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>3.4
</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>C++
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>dark.knight.ita@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=12588" name="attach_12588" title="Preprocessed source">attachment 12588</a> <a href="attachment.cgi?id=12588&action=edit" title="Preprocessed source">[details]</a></span>
Preprocessed source
I obtained this segmentation fault while using 3.4.1 on my Gentoo installation:
clang version 3.4.1 (tags/RELEASE_34/dot1-final)
Target: x86_64-pc-linux-gnu
Thread model: posix
Selected GCC installation: /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3
"/usr/bin/clang" -cc1 -triple x86_64-pc-linux-gnu -emit-obj -mrelax-all
-disable-free -disable-llvm-verifier -main-file-name bug.cc -mrelocation-model
static -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases
-munwind-tables -fuse-init-array -target-cpu x86-64 -target-linker-version
2.23.2 -v -resource-dir /usr/bin/../lib/clang/3.4.1 -internal-isystem
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/include/g++-v4 -internal-isystem
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/include/g++-v4/x86_64-pc-linux-gnu
-internal-isystem
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/include/g++-v4/backward
-internal-isystem /usr/local/include -internal-isystem
/usr/bin/../lib/clang/3.4.1/include -internal-externc-isystem /include
-internal-externc-isystem /usr/include -fdeprecated-macro
-fdebug-compilation-dir /home/marcol/bay/llvm -ferror-limit 19 -fmessage-length
190 -mstackrealign -fobjc-runtime=gcc -fcxx-exceptions -fexceptions
-fdiagnostics-show-option -fcolor-diagnostics -vectorize-slp -o
/tmp/bug-da7995.o -x c++ bug.cc
clang -cc1 version 3.4.1 based upon LLVM 3.4.1 default target
x86_64-pc-linux-gnu
ignoring nonexistent directory "/usr/local/include"
ignoring nonexistent directory "/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/include/g++-v4
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/include/g++-v4/x86_64-pc-linux-gnu
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/include/g++-v4/backward
/usr/bin/../lib/clang/3.4.1/include
/usr/include
End of search list.
0 libLLVM-3.4.1.so 0x00007f52fd1218d2 llvm::sys::PrintStackTrace(_IO_FILE*) +
34
1 libLLVM-3.4.1.so 0x00007f52fd1216c9
2 libpthread.so.0 0x00007f52fc836bb0
3 libLLVM-3.4.1.so 0x00007f52fd215ee1
llvm::ConstantExpr::getBitCast(llvm::Constant*, llvm::Type*) + 17
4 clang 0x000000000072ef7d
clang::CodeGen::CodeGenModule::EmitConstantValue(clang::APValue const&,
clang::QualType, clang::CodeGen::CodeGenFunction*) + 1693
5 clang 0x000000000072cfea
clang::CodeGen::CodeGenModule::EmitConstantExpr(clang::Expr const*,
clang::QualType, clang::CodeGen::CodeGenFunction*) + 474
6 clang 0x000000000072e4fa
7 clang 0x0000000000730348
clang::CodeGen::CodeGenModule::EmitConstantInit(clang::VarDecl const&,
clang::CodeGen::CodeGenFunction*) + 1032
8 clang 0x00000000007d2187
clang::CodeGen::CodeGenFunction::EmitAutoVarInit(clang::CodeGen::CodeGenFunction::AutoVarEmission
const&) + 807
9 clang 0x00000000007d8aa1
clang::CodeGen::CodeGenFunction::EmitAutoVarDecl(clang::VarDecl const&) + 33
10 clang 0x000000000073ee67
clang::CodeGen::CodeGenFunction::EmitDeclStmt(clang::DeclStmt const&) + 87
11 clang 0x0000000000747525
clang::CodeGen::CodeGenFunction::EmitSimpleStmt(clang::Stmt const*) + 245
12 clang 0x00000000007449a3
clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const*) + 35
13 clang 0x000000000074709f
clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt
const&, bool, clang::CodeGen::AggValueSlot) + 79
14 clang 0x000000000074fe86
clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::CodeGen::FunctionArgList&,
clang::Stmt const*) + 54
15 clang 0x00000000007546dd
clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl,
llvm::Function*, clang::CodeGen::CGFunctionInfo const&) + 493
16 clang 0x0000000000765915
clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl)
+ 357
17 clang 0x0000000000765cfb
clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl) + 315
18 clang 0x00000000007663bd
clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl) + 1517
19 clang 0x0000000000766a8b
20 clang 0x00000000007119a3
21 clang 0x0000000000711156
22 clang 0x0000000000882f01 clang::ParseAST(clang::Sema&, bool,
bool) + 289
23 clang 0x00000000005aea19 clang::FrontendAction::Execute() + 185
24 clang 0x000000000058f00a
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 282
25 clang 0x0000000000578996
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1542
26 clang 0x00000000005718d8 cc1_main(char const**, char const**,
char const*, void*) + 840
27 clang 0x0000000000575f61 main + 673
28 libc.so.6 0x00007f52fc4a0965 __libc_start_main + 245
29 clang 0x0000000000571409
Stack dump:
0. Program arguments: /usr/bin/clang -cc1 -triple x86_64-pc-linux-gnu
-emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name
bug.cc -mrelocation-model static -mdisable-fp-elim -fmath-errno -masm-verbose
-mconstructor-aliases -munwind-tables -fuse-init-array -target-cpu x86-64
-target-linker-version 2.23.2 -v -resource-dir /usr/bin/../lib/clang/3.4.1
-internal-isystem /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/include/g++-v4
-internal-isystem
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/include/g++-v4/x86_64-pc-linux-gnu
-internal-isystem
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/include/g++-v4/backward
-internal-isystem /usr/local/include -internal-isystem
/usr/bin/../lib/clang/3.4.1/include -internal-externc-isystem /include
-internal-externc-isystem /usr/include -fdeprecated-macro
-fdebug-compilation-dir /home/marcol/bay/llvm -ferror-limit 19 -fmessage-length
190 -mstackrealign -fobjc-runtime=gcc -fcxx-exceptions -fexceptions
-fdiagnostics-show-option -fcolor-diagnostics -vectorize-slp -o
/tmp/bug-da7995.o -x c++ bug.cc
1. <eof> parser at end of file
2. bug.cc:9:5: LLVM IR generation of declaration 'main'
3. bug.cc:9:5: Generating code for declaration 'main'
clang: error: unable to execute command: Segmentation fault (core dumped)
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.4.1 (tags/RELEASE_34/dot1-final)
Target: x86_64-pc-linux-gnu
Thread model: posix
clang: 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: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang: note: diagnostic msg: /tmp/bug-15a7d2.cpp
clang: note: diagnostic msg: /tmp/bug-15a7d2.sh
clang: note: diagnostic msg:</pre>
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