r260760 - [libclang] Separate the underlying indexing functionality of libclang and introduce it into the clangIndex library.
Justin Lebar via cfe-commits
cfe-commits at lists.llvm.org
Mon Feb 29 15:14:13 PST 2016
> Is this still an issue after r260785 ?
I just sync'ed to r262268 and was able to reproduce the segfault.
> Could you provide a stack trace ?
$ gdb --args release/bin/c-index-test -index-file
/usr/local/google/home/jlebar/code/llvm/src/tools/clang/test/Index/index-many-call-ops.cpp
(gdb) run
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffff2ca2700 (LWP 3936)]
0x00007ffff4f264be in
clang::DeclarationName::print(llvm::raw_ostream&,
clang::PrintingPolicy const&) ()
from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
(gdb) bt
#0 0x00007ffff4f264be in
clang::DeclarationName::print(llvm::raw_ostream&,
clang::PrintingPolicy const&) ()
from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#1 0x00007ffff4f26c9e in clang::operator<<(llvm::raw_ostream&,
clang::DeclarationName) ()
from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#2 0x00007ffff4ebcb91 in
clang::cxindex::CXIndexDataConsumer::getEntityInfo(clang::NamedDecl
const*, clang::cxindex::EntityInfo&, clang::cxindex::ScratchAlloc&) ()
from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#3 0x00007ffff4ebc206 in
clang::cxindex::CXIndexDataConsumer::handleReference(clang::NamedDecl
const*, clang::SourceLocation, CXCursor, clang::NamedDecl const*,
clang::DeclContext const*, clang::Expr const*, CXIdxEntityRefKind) ()
from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#4 0x00007ffff4ebbae2 in
clang::cxindex::CXIndexDataConsumer::handleDeclOccurence(clang::Decl
const*, unsigned int, llvm::ArrayRef<clang::index::SymbolRelation>,
clang::FileID, unsigned int,
clang::index::IndexDataConsumer::ASTNodeInfo) ()
from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#5 0x00007ffff51a05c5 in
clang::index::IndexingContext::handleDeclOccurrence(clang::Decl
const*, clang::SourceLocation, bool, clang::Decl const*, unsigned int,
llvm::ArrayRef<clang::index::SymbolRelation>, clang::Expr const*,
clang::Decl const*, clang::DeclContext const*) ()
from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#6 0x00007ffff51a092a in
clang::index::IndexingContext::handleReference(clang::NamedDecl
const*, clang::SourceLocation, clang::NamedDecl const*,
clang::DeclContext const*, unsigned int,
llvm::ArrayRef<clang::index::SymbolRelation>, clang::Expr const*,
clang::Decl const*) ()
from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#7 0x00007ffff51a9256 in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#8 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#9 0x00007ffff51a880e in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#10 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#11 0x00007ffff51a880e in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#12 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#13 0x00007ffff51a880e in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#14 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#15 0x00007ffff51a880e in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#16 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#17 0x00007ffff51a880e in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#18 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#19 0x00007ffff51a880e in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#20 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#21 0x00007ffff51a880e in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
#22 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
llvm::PointerLikeTypeTraits<clang::Stmt*>,
llvm::PointerIntPairInfo<clang::Stmt*, 1u,
llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
/usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
---Type <return> to continue, or q <return> to quit---
On Mon, Feb 29, 2016 at 3:03 PM, Argyrios Kyrtzidis <akyrtzi at gmail.com> wrote:
> Is this still an issue after r260785 ?
> Could you provide a stack trace ?
>
>> On Feb 29, 2016, at 2:27 PM, Justin Lebar <jlebar at google.com> wrote:
>>
>> Hi, I think this broke clang/test/Index/index-many-call-ops.cpp. I
>> get a segfault due to recursive stack overflow in release builds on my
>> linux x86-64 box when running that test -- it seems the purpose of
>> that test is to check that we *don't* segfault.
>>
>> This has been broken for a while, and people don't seem to be
>> complaining -- I'm not sure if there's something specific about my
>> config or if I'm just the first person to bother bisecting this...
>> Maybe the test just needs to be pared down some?
>>
>> Please advise.
>>
>> Regards,
>> -Justin
>>
>> On Sat, Feb 13, 2016 at 12:47 PM, Argyrios Kyrtzidis via cfe-commits
>> <cfe-commits at lists.llvm.org> wrote:
>>> I guess refreshing the build directory fixed the bots now.
>>> You may want to look into ccache as possibly the issue here.
>>>
>>>> On Feb 13, 2016, at 12:08 PM, Argyrios Kyrtzidis <akyrtzi at gmail.com> wrote:
>>>>
>>>> clangIndex library is not part of that command so I don’t understand how my changes affect linking the clang binary, clangIndex is only used for libclang.
>>>>
>>>>> On Feb 13, 2016, at 11:55 AM, Argyrios Kyrtzidis <akyrtzi at gmail.com> wrote:
>>>>>
>>>>> Sorry, I looked at it but it wasn’t clear to me what the problem is:
>>>>>
>>>>> FAILED: : <lond command>
>>>>> /home/linaro/buildbot/clang-cmake-armv7-a15/stage1/tools/clang/clang.order: file not recognized: File truncated
>>>>>
>>>>> I thought it was some build SNAFU, do you have some hint on what I need to do to fix this ?
>>>>>
>>>>>> On Feb 13, 2016, at 7:48 AM, Renato Golin <renato.golin at linaro.org> wrote:
>>>>>>
>>>>>> On 12 February 2016 at 23:11, Argyrios Kyrtzidis via cfe-commits
>>>>>> <cfe-commits at lists.llvm.org> wrote:
>>>>>>> Author: akirtzidis
>>>>>>> Date: Fri Feb 12 17:10:59 2016
>>>>>>> New Revision: 260760
>>>>>>>
>>>>>>> URL: http://llvm.org/viewvc/llvm-project?rev=260760&view=rev
>>>>>>> Log:
>>>>>>> [libclang] Separate the underlying indexing functionality of libclang and introduce it into the clangIndex library.
>>>>>>>
>>>>>>> It is a general goodness for libclang itself to mostly be a wrapper of functionality provided by the libraries.
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> This broke both ARM builds:
>>>>>>
>>>>>> http://lab.llvm.org:8011/builders/clang-cmake-armv7-a15/builds/9853
>>>>>>
>>>>>> http://lab.llvm.org:8011/builders/clang-cmake-thumbv7-a15/builds/9806
>>>>>>
>>>>>> And it's still broken. I'm going to refresh the build directory, but
>>>>>> please keep an eye or revert if that doesn't work.
>>>>>>
>>>>>> cheers,
>>>>>> --renato
>>>>>
>>>>
>>>
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