[LLVMbugs] [Bug 19995] New: Simple use of inline namespace: Assertion `!Old || Old->getCachedLinkage() == D->getCachedLinkage()' failed.
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Tue Jun 10 08:33:54 PDT 2014
http://llvm.org/bugs/show_bug.cgi?id=19995
Bug ID: 19995
Summary: Simple use of inline namespace: Assertion `!Old ||
Old->getCachedLinkage() == D->getCachedLinkage()'
failed.
Product: clang
Version: trunk
Hardware: Other
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++11
Assignee: unassignedclangbugs at nondot.org
Reporter: hstong at ca.ibm.com
CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
Classification: Unclassified
Assertion triggers on valid code.
### SOURCE:> cat inlNsTmplSpec.cc
inline namespace { template <typename T> int foo(T); }
template <> int foo(int);
Return: 0x00:0
### COMPILER INVOCATION AND OUTPUT:> clang++ -std=c++11 inlNsTmplSpec.cc -c
clang: /build/llvm-dev.src/tools/clang/lib/AST/Decl.cpp:1253: static
clang::LinkageInfo clang::LinkageComputer::getLVForDecl(const
clang::NamedDecl*, LVComputationKind): Assertion `!Old ||
Old->getCachedLinkage() == D->getCachedLinkage()' failed.
0 clang 0x0000000011ff51e4 llvm::sys::PrintStackTrace(_IO_FILE*) +
4279327012
1 clang 0x0000000011ff5450
2 clang 0x0000000011ff4c50
3 linux-vdso64.so.1 0x00000fff8edd0418 __kernel_sigtramp_rt64 + 0
4 libc.so.6 0x00000fff8e8ef7d0 gsignal + 4293466120
5 libc.so.6 0x00000fff8e8f18a4 abort + 4293473372
6 libc.so.6 0x00000fff8e8e63bc
7 libc.so.6 0x00000fff8e8e64ac __assert_fail + 4293432916
8 clang 0x000000001110e554
9 clang 0x000000001110edec clang::NamedDecl::getLinkageInternal()
const + 4264372852
10 clang 0x000000001110f03c
clang::FunctionDecl::getLanguageLinkage() const + 4264373348
11 clang 0x000000001110f1d4 clang::FunctionDecl::isExternC() const
+ 4264373732
12 clang 0x00000000107f2cc8
clang::Sema::CheckFunctionDeclaration(clang::Scope*, clang::FunctionDecl*,
clang::LookupResult&, bool) + 4255407152
13 clang 0x00000000107f8f84
clang::Sema::ActOnFunctionDeclarator(clang::Scope*, clang::Declarator&,
clang::DeclContext*, clang::TypeSourceInfo*, clang::LookupResult&,
llvm::MutableArrayRef<clang::TemplateParameterList*>, bool&) + 4255432332
14 clang 0x00000000107fa11c
clang::Sema::HandleDeclarator(clang::Scope*, clang::Declarator&,
llvm::MutableArrayRef<clang::TemplateParameterList*>) + 4255436812
15 clang 0x00000000109fe120
clang::Sema::ActOnTemplateDeclarator(clang::Scope*,
llvm::MutableArrayRef<clang::TemplateParameterList*>, clang::Declarator&) +
4257446408
16 clang 0x00000000106aa788
clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes(clang::Declarator&,
clang::Parser::ParsedTemplateInfo const&, clang::Parser::ForRangeInit*) +
4254117496
17 clang 0x00000000106b0c18
clang::Parser::ParseDeclarationAfterDeclarator(clang::Declarator&,
clang::Parser::ParsedTemplateInfo const&) + 4254142784
18 clang 0x0000000010706b50
clang::Parser::ParseSingleDeclarationAfterTemplate(unsigned int,
clang::Parser::ParsedTemplateInfo const&, clang::ParsingDeclRAIIObject&,
clang::SourceLocation&, clang::AccessSpecifier, clang::AttributeList*) +
4254483200
19 clang 0x00000000107075f8
clang::Parser::ParseTemplateDeclarationOrSpecialization(unsigned int,
clang::SourceLocation&, clang::AccessSpecifier, clang::AttributeList*) +
4254485904
20 clang 0x00000000107078bc
clang::Parser::ParseDeclarationStartingWithTemplate(unsigned int,
clang::SourceLocation&, clang::AccessSpecifier, clang::AttributeList*) +
4254486564
21 clang 0x00000000106b8e24
clang::Parser::ParseDeclaration(llvm::SmallVector<clang::Stmt*, 32u>&, unsigned
int, clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&) +
4254175644
22 clang 0x00000000106a1570
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) + 4254082472
23 clang 0x00000000106a1d0c
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&) +
4254084396
24 clang 0x000000001069927c clang::ParseAST(clang::Sema&, bool,
bool) + 4254051060
25 clang 0x00000000102cde5c
clang::ASTFrontendAction::ExecuteAction() + 4250281660
26 clang 0x00000000104ae5fc clang::CodeGenAction::ExecuteAction() +
4252147284
27 clang 0x00000000102cf1b0 clang::FrontendAction::Execute() +
4250285960
28 clang 0x00000000102a9f60
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 4250138448
29 clang 0x000000001028cd68
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 4250028376
30 clang 0x0000000010286288 cc1_main(char const**, char const**,
char const*, void*) + 4250001784
31 clang 0x0000000010272028 main + 4249918536
32 libc.so.6 0x00000fff8e8d49ec
33 libc.so.6 0x00000fff8e8d4bf4 __libc_start_main + 4293363212
Stack dump:
0. Program arguments: /bin/clang -cc1 -triple powerpc64-unknown-linux-gnu
-S -disable-free -main-file-name inlNsTmplSpec.cc -mrelocation-model static
-mdisable-fp-elim -fmath-errno -no-integrated-as -mconstructor-aliases
-target-cpu ppc64 -target-linker-version 11 -coverage-file
/tmp/inlNsTmplSpec-4c0298.s -resource-dir /bin/../lib/clang/3.5.0
-internal-isystem
/usr/lib/gcc/ppc64-redhat-linux/4.4.6/../../../../include/c++/4.4.6
-internal-isystem
/usr/lib/gcc/ppc64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ppc64-redhat-linux
-internal-isystem
/usr/lib/gcc/ppc64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/backward
-internal-isystem
/usr/lib/gcc/ppc64-redhat-linux/4.4.6/../../../../include/ppc64-redhat-linux/c++/4.4.6
-internal-isystem /usr/local/include -internal-isystem
/bin/../lib/clang/3.5.0/include -internal-externc-isystem /include
-internal-externc-isystem /usr/include -std=c++11 -fdeprecated-macro
-fno-dwarf-directory-asm -fdebug-compilation-dir /tmp/hstong -ferror-limit 19
-fmessage-length 0 -mstackrealign -fno-signed-char -fobjc-runtime=gcc
-fcxx-exceptions -fexceptions -fdiagnostics-show-option -o
/tmp/inlNsTmplSpec-4c0298.s -x c++ inlNsTmplSpec.cc
1. inlNsTmplSpec.cc:2:25: current parser token ';'
clang: error: unable to execute command: Aborted (core dumped)
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.5.0
Target: powerpc64-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/inlNsTmplSpec-197dbd.cpp
clang: note: diagnostic msg: /tmp/inlNsTmplSpec-197dbd.sh
clang: note: diagnostic msg:
********************
Return: 0xfe:254
### VERSION INFO:> clang++ -v
clang version 3.5.0
Target: powerpc64-unknown-linux-gnu
Thread model: posix
Found candidate GCC installation: /usr/lib/gcc/ppc64-redhat-linux/4.4.4
Found candidate GCC installation: /usr/lib/gcc/ppc64-redhat-linux/4.4.6
Selected GCC installation: /usr/lib/gcc/ppc64-redhat-linux/4.4.6
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Selected multilib: .;@m64
Return: 0x00:0
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