> 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 <akyr...@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 <jle...@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@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 <akyr...@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 <akyr...@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.go...@linaro.org> >>>>>> wrote: >>>>>> >>>>>> On 12 February 2016 at 23:11, Argyrios Kyrtzidis via cfe-commits >>>>>> <cfe-commits@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 >>>>> >>>> >>> >>> _______________________________________________ >>> cfe-commits mailing list >>> cfe-commits@lists.llvm.org >>> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits > _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits