The attached file causes clang to SEGV

[llvmbot]

Bugzilla Link	11402
Version	unspecified
OS	MacOS X
Attachments	pre-processed C++ source that illustrates problem
Reporter	LLVM Bugzilla Contributor
CC	@DougGregor

Extended Description

$ uname -a
Darwin ast1112.astro.princeton.edu 11.2.0 Darwin Kernel Version 11.2.0: Tue Aug 9 20:54:00 PDT 2011; root:xnu-1699.24.81/RELEASE_X86_64 x86_64
$ clang++ --version
Apple clang version 3.0 (tags/Apple/clang-211.10.1) (based on LLVM 3.0svn)
Target: x86_64-apple-darwin11.2.0
Thread model: posix
$ clang++ -Wparentheses Frame_pp.cc -c
In file included from src/definition/Frame.cc:1:
In file included from src/definition/Frame.cc:1:
In file included from include/lsst/meas/multifit/definition/Frame.h:28:
In file included from include/lsst/meas/multifit/constants.h:28:
In file included from /Users/rhl/LSST/afw/include/lsst/afw/image/Wcs.h:34:
In file included from /Users/rhl/LSST/afw/include/lsst/afw/image/Image.h:45:
In file included from /Users/rhl/LSST/afw/include/lsst/afw/image/Utils.h:47:
In file included from /Users/rhl/LSST/afw/include/lsst/afw/formatters/ImageFormatter.h:47:
In file included from /u/lsst/products/DarwinX86/daf_persistence/4.6.0.2/include/lsst/daf/persistence.h:39:
In file included from /u/lsst/products/DarwinX86/daf_persistence/4.6.0.2/include/lsst/daf/persistence/BoostStorage.h:48:
In file included from /u/lsst/products/DarwinX86/daf_persistence/4.6.0.2/include/lsst/daf/persistence/Storage.h:53:
In file included from /u/lsst/products/DarwinX86/pex_policy/4.6.0.1+1/include/lsst/pex/policy.h:29:
In file included from /u/lsst/products/DarwinX86/pex_policy/4.6.0.1+1/include/lsst/pex/policy/Dictionary.h:38:
In file included from /u/lsst/products/DarwinX86/external/boost/1.47.0+3/include/boost/regex.hpp:31:
In file included from /u/lsst/products/DarwinX86/external/boost/1.47.0+3/include/boost/regex/v4/regex.hpp:70:
/u/lsst/products/DarwinX86/external/boost/1.47.0+3/include/boost/regex/v4/basic_regex_creator.hpp:1027:34: warning:
equality comparison with extraneous parentheses [-Wparentheses]
else if((state->type == syntax_element_long_set_rep))
~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/u/lsst/products/DarwinX86/external/boost/1.47.0+3/include/boost/regex/v4/basic_regex_creator.hpp:1027:34: note:
remove extraneous parentheses around the comparison to silence this warning
else if((state->type == syntax_element_long_set_rep))
~ ^ ~
/u/lsst/products/DarwinX86/external/boost/1.47.0+3/include/boost/regex/v4/basic_regex_creator.hpp:1027:34: note:
use '=' to turn this equality comparison into an assignment
else if((state->type == syntax_element_long_set_rep))
^
=
/u/lsst/products/DarwinX86/external/boost/1.47.0+3/include/boost/regex/v4/basic_regex_creator.hpp:1328:28: warning:
equality comparison with extraneous parentheses [-Wparentheses]
if((p->type == syntax_element_recurse))
~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/u/lsst/products/DarwinX86/external/boost/1.47.0+3/include/boost/regex/v4/basic_regex_creator.hpp:1328:28: note:
remove extraneous parentheses around the comparison to silence this warning
if((p->type == syntax_element_recurse))
~ ^ ~
/u/lsst/products/DarwinX86/external/boost/1.47.0+3/include/boost/regex/v4/basic_regex_creator.hpp:1328:28: note:
use '=' to turn this equality comparison into an assignment
if((p->type == syntax_element_recurse))
^~
=
In file included from src/definition/Frame.cc:1:
src/definition/Frame.cc:91:37: error: no member named 'sqrt' in 'Eigen::Matrix<double, -1, 1, 0, -1,
1>'
Eigen::VectorXd tmp2 = tmp. sqrt().inverse().matrix();
~~~ ^
src/definition/Frame.cc:94:17: error: 'operator+=' is a protected member of
'Eigen::ArrayBase<lsst::ndarray::EigenView<double, 1, 1, Eigen::ArrayXpr, -1, 1> >'
weights += tmp2;
~~~~~~~ ^ ~~~~
/u/lsst/products/DarwinX86/eigen/3.0.2+1/include/Eigen/src/Core/ArrayBase.h:176:46: note: declared
protected here
template Derived& operator+=(const MatrixBase& )
^
In file included from src/definition/Frame.cc:1:
src/definition/Frame.cc:94:17: error: 'operator+=' is a private member of
'Eigen::ArrayBase<lsst::ndarray::EigenView<double, 1, 1, Eigen::ArrayXpr, -1, 1> >'
weights += tmp2;
~~~~~~~ ^ ~~~~
src/definition/Frame.cc:111:23: note: in instantiation of function template specialization
'lsst::meas::multifit::definition::Frame::make' requested here
template Frame Frame::make(
^
0 clang 0x000000010556e312 _ZL15PrintStackTracePv + 34
1 clang 0x000000010556e7e9 _ZL13SignalHandleri + 633
2 libsystem_c.dylib 0x00007fff91cd3cfa _sigtramp + 26
3 libsystem_c.dylib 000000000000000000 _sigtramp + 18446603338070016800
4 clang 0x0000000104c318fa _ZL20CheckEffectiveAccessRN5clang4SemaERKN12_GLOBAL__N_116EffectiveContextENS_14SourceLocationERNS2_12AccessTargetE + 1802
5 clang 0x0000000104c31000 _ZL11CheckAccessRN5clang4SemaENS_14SourceLocationERN12_GLOBAL__N_112AccessTargetE + 240
6 clang 0x0000000104c69ae4 clang::Sema::CheckMemberOperatorAccess(clang::SourceLocation, clang::Expr*, clang::Expr*, clang::DeclAccessPair) + 500
7 clang 0x0000000104c329c0 clang::Sema::CreateOverloadedBinOp(clang::SourceLocation, unsigned int, clang::UnresolvedSetImpl const&, clang::Expr*, clang::Expr*) + 1792
8 clang 0x0000000104c563b7 clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformExpr(clang::Expr*) + 11959
9 clang 0x0000000104c8b952 clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformStmt(clang::Stmt*) + 8018
10 clang 0x0000000104c8bc43 clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformCompoundStmt(clang::CompoundStmt*, bool) + 195
11 clang 0x0000000104c8a48f clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformStmt(clang::Stmt*) + 2703
12 clang 0x0000000104c8bc43 clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformCompoundStmt(clang::CompoundStmt*, bool) + 195
13 clang 0x0000000104c8a48f clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformStmt(clang::Stmt*) + 2703
14 clang 0x0000000104c899f3 clang::Sema::SubstStmt(clang::Stmt*, clang::MultiLevelTemplateArgumentList const&) + 51
15 clang 0x0000000104c89343 clang::Sema::InstantiateFunctionDefinition(clang::SourceLocation, clang::FunctionDecl*, bool, bool) + 1955
16 clang 0x0000000104c515cd clang::Sema::ActOnExplicitInstantiation(clang::Scope*, clang::SourceLocation, clang::SourceLocation, clang::Declarator&) + 3885
17 clang 0x00000001047f71a6 clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes(clang::Declarator&, clang::Parser::ParsedTemplateInfo const&) + 102
18 clang 0x0000000104e351eb clang::Parser::ParseSingleDeclarationAfterTemplate(unsigned int, clang::Parser::ParsedTemplateInfo const&, clang::Parser::ParsingDeclRAIIObject&, clang::SourceLocation&, clang::AccessSpecifier) + 1307
19 clang 0x0000000104c20651 clang::Parser::ParseDeclarationStartingWithTemplate(unsigned int, clang::SourceLocation&, clang::AccessSpecifier) + 257
20 clang 0x0000000104e22c24 clang::Parser::ParseDeclaration(clang::ASTOwningVector<clang::Stmt*, 32u>&, unsigned int, clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&) + 404
21 clang 0x00000001047ed46b clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&, clang::Parser::ParsingDeclSpec*) + 1403
22 clang 0x0000000104e25e38 clang::Parser::ParseInnerNamespace(std::vector<clang::SourceLocation, std::allocatorclang::SourceLocation >&, std::vector<clang::IdentifierInfo*, std::allocatorclang::IdentifierInfo* >&, std::vector<clang::SourceLocation, std::allocatorclang::SourceLocation >&, unsigned int, clang::SourceLocation&, clang::SourceLocation&, clang::ParsedAttributes&, clang::SourceLocation&) + 200
23 clang 0x0000000104c0644e clang::Parser::ParseNamespace(unsigned int, clang::SourceLocation&, clang::SourceLocation) + 3198
24 clang 0x0000000104e22d66 clang::Parser::ParseDeclaration(clang::ASTOwningVector<clang::Stmt*, 32u>&, unsigned int, clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&) + 726
25 clang 0x00000001047ed46b clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&, clang::Parser::ParsingDeclSpec*) + 1403
26 clang 0x0000000104e25e38 clang::Parser::ParseInnerNamespace(std::vector<clang::SourceLocation, std::allocatorclang::SourceLocation >&, std::vector<clang::IdentifierInfo*, std::allocatorclang::IdentifierInfo* >&, std::vector<clang::SourceLocation, std::allocatorclang::SourceLocation >&, unsigned int, clang::SourceLocation&, clang::SourceLocation&, clang::ParsedAttributes&, clang::SourceLocation&) + 200
27 clang 0x0000000104c0644e clang::Parser::ParseNamespace(unsigned int, clang::SourceLocation&, clang::SourceLocation) + 3198
28 clang 0x0000000104e22d66 clang::Parser::ParseDeclaration(clang::ASTOwningVector<clang::Stmt*, 32u>&, unsigned int, clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&) + 726
29 clang 0x00000001047ed46b clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&, clang::Parser::ParsingDeclSpec*) + 1403
30 clang 0x0000000104e25e38 clang::Parser::ParseInnerNamespace(std::vector<clang::SourceLocation, std::allocatorclang::SourceLocation >&, std::vector<clang::IdentifierInfo*, std::allocatorclang::IdentifierInfo* >&, std::vector<clang::SourceLocation, std::allocatorclang::SourceLocation >&, unsigned int, clang::SourceLocation&, clang::SourceLocation&, clang::ParsedAttributes&, clang::SourceLocation&) + 200
31 clang 0x0000000104c0644e clang::Parser::ParseNamespace(unsigned int, clang::SourceLocation&, clang::SourceLocation) + 3198
32 clang 0x0000000104e22d66 clang::Parser::ParseDeclaration(clang::ASTOwningVector<clang::Stmt*, 32u>&, unsigned int, clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&) + 726
33 clang 0x00000001047ed46b clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&, clang::Parser::ParsingDeclSpec*) + 1403
34 clang 0x0000000104e25e38 clang::Parser::ParseInnerNamespace(std::vector<clang::SourceLocation, std::allocatorclang::SourceLocation >&, std::vector<clang::IdentifierInfo*, std::allocatorclang::IdentifierInfo* >&, std::vector<clang::SourceLocation, std::allocatorclang::SourceLocation >&, unsigned int, clang::SourceLocation&, clang::SourceLocation&, clang::ParsedAttributes&, clang::SourceLocation&) + 200
35 clang 0x0000000104c0644e clang::Parser::ParseNamespace(unsigned int, clang::SourceLocation&, clang::SourceLocation) + 3198
36 clang 0x0000000104e22d66 clang::Parser::ParseDeclaration(clang::ASTOwningVector<clang::Stmt*, 32u>&, unsigned int, clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&) + 726
37 clang 0x00000001047ed46b clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&, clang::Parser::ParsingDeclSpec*) + 1403
38 clang 0x00000001047ece7d clang::Parser::ParseTopLevelDecl(clang::OpaquePtrclang::DeclGroupRef&) + 237
39 clang 0x00000001047cf1fd clang::ParseAST(clang::Sema&, bool) + 301
40 clang 0x00000001047cdcaf clang::CodeGenAction::ExecuteAction() + 671
41 clang 0x00000001047b9a9b clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 875
42 clang 0x00000001047b7b18 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 2696
43 clang 0x00000001047ac315 cc1_main(char const**, char const**, char const*, void*) + 5333
44 clang 0x000000010478f47b main + 667
45 clang 0x000000010478f1d4 start + 52
46 clang 0x000000000000002a start + 18446744069339549322
Stack dump:
0. Program arguments: /usr/bin/clang -cc1 -triple x86_64-apple-macosx10.7.2 -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name Frame_pp.cc -pic-level 1 -mdisable-fp-elim -relaxed-aliasing -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 127.2 -coverage-file Frame_pp.o -resource-dir /usr/bin/../lib/clang/3.0 -Wparentheses -fdeprecated-macro -ferror-limit 19 -fmessage-length 100 -stack-protector 1 -fblocks -fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -o Frame_pp.o -x c++ Frame_pp.cc

1.  src/definition/Frame.cc:115:2: current parser token ';'
   

2.  src/definition/Frame.cc:7:1: parsing namespace 'lsst'
   

3.  src/definition/Frame.cc:7:18: parsing namespace 'meas'
   

4.  src/definition/Frame.cc:7:35: parsing namespace 'multifit'
   

5.  src/definition/Frame.cc:27:1: parsing namespace 'definition'
   

clang: error: unable to execute command: Segmentation fault: 11
clang: error: clang frontend command failed due to signal 2 (use -v to see invocation)

[wheatman]

This was fixed between 3.1 and 3.2
https://godbolt.org/z/3xYshMW9x

Assert that was tiggered in 3.1

access not apparently constrained by path
UNREACHABLE executed at /home/tonik/llvm-project/llvm/tools/clang/lib/Sema/SemaAccess.cpp:1207!
Stack dump:
0.	Program arguments: /opt/compiler-explorer/clang-assertions-3.1.0/bin/clang-3.1 -cc1 -triple x86_64-unknown-linux-gnu -S -disable-free -main-file-name example.cpp -mrelocation-model static -mdisable-fp-elim -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu x86-64 -momit-leaf-frame-pointer -g -coverage-file /app/output.s -resource-dir /opt/compiler-explorer/clang-assertions-3.1.0/bin/../lib/clang/3.1 -fmodule-cache-path /var/tmp/clang-module-cache -internal-isystem /opt/compiler-explorer/gcc-4.7.4/lib/gcc/x86_64-linux-gnu/4.7.4/../../../../include/c++/4.7.4 -internal-isystem /opt/compiler-explorer/gcc-4.7.4/lib/gcc/x86_64-linux-gnu/4.7.4/../../../../include/c++/4.7.4/x86_64-linux-gnu -internal-isystem /opt/compiler-explorer/gcc-4.7.4/lib/gcc/x86_64-linux-gnu/4.7.4/../../../../include/c++/4.7.4/backward -internal-isystem /usr/local/include -internal-isystem /opt/compiler-explorer/clang-assertions-3.1.0/bin/../lib/clang/3.1/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -fdeprecated-macro -ferror-limit 19 -fmessage-length 0 -mstackrealign -fgnu-runtime -fobjc-runtime-has-arc -fobjc-runtime-has-weak -fobjc-fragile-abi -fcxx-exceptions -fexceptions -fdiagnostics-show-option -mllvm --x86-asm-syntax=intel -o /app/output.s -x c++ <source> 
1.	src/definition/Frame.cc:115:2: current parser token ';'
2.	src/definition/Frame.cc:7:1: parsing namespace 'lsst'
3.	src/definition/Frame.cc:7:18: parsing namespace 'meas'
4.	src/definition/Frame.cc:7:35: parsing namespace 'multifit'
5.	src/definition/Frame.cc:27:1: parsing namespace 'definition'
clang-3: error: unable to execute command: Aborted (core dumped)
clang-3: error: clang frontend command failed due to signal (use -v to see invocation)
clang-3: note: diagnostic msg: Please submit a bug report to  and include command line arguments and all diagnostic information.
clang-3: note: diagnostic msg: Preprocessed source(s) and associated run script(s) are located at:
clang-3: note: diagnostic msg: /tmp/example-a5PGuj.ii
clang-3: note: diagnostic msg: /tmp/example-a5PGuj.sh
Compiler returned: 254

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