[LLVMbugs] [Bug 14773] New: segmentation fault with C++11 by use of local-static array in lambda (3.3 trunk 171341)
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Tue Jan 1 14:21:33 PST 2013
http://llvm.org/bugs/show_bug.cgi?id=14773
Bug #: 14773
Summary: segmentation fault with C++11 by use of local-static
array in lambda (3.3 trunk 171341)
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++11
AssignedTo: unassignedclangbugs at nondot.org
ReportedBy: td2sk.develop at gmail.com
CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
Classification: Unclassified
Created attachment 9789
--> http://llvm.org/bugs/attachment.cgi?id=9789
plain and processed sources
Use of local-static array in lambda causes abort.
#include <functional>
int main(){
static int array[] = {};
std::function<void()> func;
func = [](){
for(auto i : array){
}
};
return 0;
}
0 clang 0x0000000001af1f6f
1 clang 0x0000000001af22d9
2 libpthread.so.0 0x00007fbbc446bcb0
3 clang 0x0000000001a10074
llvm::ConstantExpr::getBitCast(llvm::Constant*, llvm::Type*) + 36
4 clang 0x00000000008ce646
clang::CodeGen::CodeGenModule::EmitConstantValue(clang::APValue const&,
clang::QualType, clang::CodeGen::CodeGenFunction*) + 1894
5 clang 0x00000000008aac15
clang::CodeGen::CodeGenFunction::EmitDeclRefLValue(clang::DeclRefExpr const*) +
613
6 clang 0x00000000008ab2d9
clang::CodeGen::CodeGenFunction::EmitLValue(clang::Expr const*) + 441
7 clang 0x000000000061061c
8 clang 0x00000000008dc166
9 clang 0x00000000008de33d
clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool) + 61
10 clang 0x000000000088db37
clang::CodeGen::CodeGenFunction::EmitScalarInit(clang::Expr const*,
clang::ValueDecl const*, clang::CodeGen::LValue, bool) + 823
11 clang 0x000000000088fd03
clang::CodeGen::CodeGenFunction::EmitAutoVarInit(clang::CodeGen::CodeGenFunction::AutoVarEmission
const&) + 435
12 clang 0x0000000000890cc1
clang::CodeGen::CodeGenFunction::EmitAutoVarDecl(clang::VarDecl const&) + 33
13 clang 0x0000000000932af7
clang::CodeGen::CodeGenFunction::EmitDeclStmt(clang::DeclStmt const&) + 87
14 clang 0x00000000009390a5
clang::CodeGen::CodeGenFunction::EmitSimpleStmt(clang::Stmt const*) + 245
15 clang 0x00000000009361d3
clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const*) + 35
16 clang 0x000000000093782d
clang::CodeGen::CodeGenFunction::EmitCXXForRangeStmt(clang::CXXForRangeStmt
const&) + 269
17 clang 0x00000000009362ab
clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const*) + 251
18 clang 0x00000000009364b7
clang::CodeGen::CodeGenFunction::EmitCompoundStmt(clang::CompoundStmt const&,
bool, clang::CodeGen::AggValueSlot) + 247
19 clang 0x0000000000939082
clang::CodeGen::CodeGenFunction::EmitSimpleStmt(clang::Stmt const*) + 210
20 clang 0x00000000009361d3
clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const*) + 35
21 clang 0x00000000009482cc
clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl,
llvm::Function*, clang::CodeGen::CGFunctionInfo const&) + 572
22 clang 0x0000000000836880
clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl)
+ 336
23 clang 0x0000000000836c03
clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl) + 195
24 clang 0x00000000008384a0
clang::CodeGen::CodeGenModule::EmitDeferred() + 208
25 clang 0x00000000008384b9 clang::CodeGen::CodeGenModule::Release()
+ 9
26 clang 0x00000000008208bb
27 clang 0x0000000000965b3a clang::ParseAST(clang::Sema&, bool, bool)
+ 538
28 clang 0x00000000006df3f1 clang::FrontendAction::Execute() + 97
29 clang 0x00000000006c43c5
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 293
30 clang 0x00000000006ae052
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1378
31 clang 0x00000000006a9308 cc1_main(char const**, char const**, char
const*, void*) + 920
32 clang 0x000000000069c21d main + 7965
33 libc.so.6 0x00007fbbc36a576d __libc_start_main + 237
34 clang 0x00000000006a850d
Stack dump:
0. Program arguments: /usr/local/app/clang-3.3/bin/clang -cc1 -triple
x86_64-unknown-linux-gnu -emit-obj -mrelax-all -disable-free
-disable-llvm-verifier -main-file-name crash_clang.cpp -mrelocation-model
static -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases
-munwind-tables -fuse-init-array -target-cpu x86-64 -target-linker-version
2.22.90.20120924 -momit-leaf-frame-pointer -resource-dir
/usr/local/app/clang-3.3/bin/../lib/clang/3.3 -fmodule-cache-path
/var/tmp/clang-module-cache -internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../include/c++/4.7 -internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../include/c++/4.7/x86_64-linux-gnu
-internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../include/c++/4.7/backward
-internal-isystem /usr/local/include -internal-isystem
/usr/local/app/clang-3.3/bin/../lib/clang/3.3/include -internal-externc-isystem
/usr/include/x86_64-linux-gnu -internal-externc-isystem /include
-internal-externc-isystem /usr/include -std=c++11 -fdeprecated-macro
-fdebug-compilation-dir /home/note/Desktop/bug -ferror-limit 19
-fmessage-length 124 -mstackrealign -fobjc-runtime=gcc -fcxx-exceptions
-fexceptions -fdiagnostics-show-option -fcolor-diagnostics -backend-option
-vectorize-loops -o /tmp/crash_clang-zl51JZ.o -x c++ crash_clang.cpp
1. <eof> parser at end of file
2. Per-file LLVM IR generation
3. crash_clang.cpp:7:10: Generating code for declaration 'main()::<anonymous
class>::operator()'
4. crash_clang.cpp:7:14: LLVM IR generation of compound statement ('{}')
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 3.3 (trunk 171341)
Target: x86_64-unknown-linux-gnu
Thread model: posix
clang: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ 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/crash_clang-ffMyrI.cpp
clang: note: diagnostic msg: /tmp/crash_clang-ffMyrI.sh
clang: note: diagnostic msg:
********************
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