<html>
<head>
<base href="http://llvm.org/bugs/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - 'merged an unknown kind of redeclarable template'"
href="http://llvm.org/bugs/show_bug.cgi?id=20475">20475</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>'merged an unknown kind of redeclarable template'
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Modules
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>biancacristinacristescu@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>The files for the reproducer are:
$ cat module_Unuran.map
module libMathCore {
header "Math/IParamFunction.h"
export *
}
module libUnuran {
header "TUnuran.h"
header "TUnuranMultiContDist.h"
export *
}
--------------------------------------------------------------------------------
$ cat Math/IParamFunction.h
namespace std
{
template<typename...>
struct __and_;
// Primary template.
/// Define a member typedef @c type only if a boolean constant is true.
template<bool, typename _Tp = void>
struct enable_if
{ };
template<typename... _Cond>
using _Require = typename enable_if<__and_<_Cond...>::value>::type;
} // namespace std
-------------------------------------------------------------------------------
$ cat TUnuran.h
namespace std
{
template<typename...>
struct __and_;
// Primary template.
/// Define a member typedef @c type only if a boolean constant is true.
template<bool, typename _Tp = void>
struct enable_if
{ };
template<typename... _Cond>
using _Require = typename enable_if<__and_<_Cond...>::value>::type;
} // namespace std
-------------------------------------------------------------------------------
$ cat TUnuranMultiContDist.h
#include "Math/IParamFunction.h"
-------------------------------------------------------------------------------
The command to reproduce is:
'/home/cristina/llvm-proj/inst-deb/bin/clang -cc1 -triple
x86_64-unknown-linux-gnu -E -disable-free -mrelocation-model static
-mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases
-munwind-tables -fuse-init-array -target-cpu x86-64 -target-linker-version
2.23.52.20130913 -v -resource-dir
/home/cristina/llvm-proj/inst-deb/bin/../lib/clang/3.5.0 -internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8 -internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/x86_64-linux-gnu
-internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/backward
-internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/x86_64-linux-gnu/c++/4.8
-internal-isystem /usr/local/include -internal-isystem
/home/cristina/llvm-proj/inst-deb/bin/../lib/clang/3.5.0/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/cristina/llvm-sources/clang-tiered-pcm-reproducer -ferror-limit 19
-fmessage-length 0 -mstackrealign -fobjc-runtime=gcc -fcxx-exceptions
-fexceptions -fdiagnostics-show-option -x c++ -fcolor-diagnostics -x c++
-std=c++11 -I/home/cristina/root/objOptimizations/include
-Imath/unuran/src/unuran-1.8.0-root/src -fmodules -fno-modules-global-index
-fdisable-module-hash -fmodule-maps -emit-module
/home/cristina/root/objOptimizations/include/module_Unuran.map
-fmodules-cache-path=/home/cristina/llvm-sources/clang-tiered-pcm-reproducer/pcm
-fmodule-name=libUnuran'
The stacktrace is:
End of search list.
merged an unknown kind of redeclarable template
UNREACHABLE executed at
/home/cristina/llvm-proj/llvm/tools/clang/lib/Serialization/ASTReaderDecl.cpp:2046!
0 clang 0x0000000003e2b74e llvm::sys::PrintStackTrace(_IO_FILE*) +
46
1 clang 0x0000000003e2ba1b
2 clang 0x0000000003e2ceda
3 libpthread.so.0 0x00007f6acd728bb0
4 libc.so.6 0x00007f6acc965f77 gsignal + 55
5 libc.so.6 0x00007f6acc9695e8 abort + 328
6 clang 0x0000000003e0e7d6
7 clang 0x0000000000c024be
clang::ASTDeclReader::mergeTemplatePattern(clang::RedeclarableTemplateDecl*,
clang::RedeclarableTemplateDecl*, unsigned int) + 590
8 clang 0x0000000000c18101 void
clang::ASTDeclReader::mergeRedeclarable<clang::RedeclarableTemplateDecl>(clang::Redeclarable<clang::RedeclarableTemplateDecl>*,
clang::RedeclarableTemplateDecl*, clang::ASTDeclReader::RedeclarableResult&,
unsigned int) + 353
9 clang 0x0000000000bff353 void
clang::ASTDeclReader::mergeRedeclarable<clang::RedeclarableTemplateDecl>(clang::Redeclarable<clang::RedeclarableTemplateDecl>*,
clang::ASTDeclReader::RedeclarableResult&, unsigned int) + 227
10 clang 0x0000000000bfef35
clang::ASTDeclReader::VisitRedeclarableTemplateDecl(clang::RedeclarableTemplateDecl*)
+ 629
11 clang 0x0000000000c01f3c
clang::ASTDeclReader::VisitTypeAliasTemplateDecl(clang::TypeAliasTemplateDecl*)
+ 44
12 clang 0x0000000000bdf871
13 clang 0x0000000000bdf40a clang::ASTDeclReader::Visit(clang::Decl*)
+ 42
14 clang 0x0000000000c0c7b8 clang::ASTReader::ReadDeclRecord(unsigned
int) + 3128
15 clang 0x0000000000b7cf08 clang::ASTReader::GetDecl(unsigned int) +
184
16 clang 0x0000000000bcc800
17 clang 0x0000000000bd2ac3
18 clang 0x0000000000b8c2c6
19 clang 0x0000000000ceae6e
clang::serialization::ModuleManager::visit(bool
(*)(clang::serialization::ModuleFile&, void*), void*,
llvm::SmallPtrSet<clang::serialization::ModuleFile*, 4u>*) + 1582
20 clang 0x0000000000b8b79c
clang::ASTReader::FindExternalVisibleDeclsByName(clang::DeclContext const*,
clang::DeclarationName) + 1020
21 clang 0x0000000000b8c427 non-virtual thunk to
clang::ASTReader::FindExternalVisibleDeclsByName(clang::DeclContext const*,
clang::DeclarationName) + 55
22 clang 0x000000000237d87b
clang::DeclContext::lookup(clang::DeclarationName) + 555
23 clang 0x0000000000c68243
24 clang 0x0000000000c67e1d
clang::ASTWriter::GenerateNameLookupTable(clang::DeclContext const*,
llvm::SmallVectorImpl<char>&) + 397
25 clang 0x0000000000c6880a
clang::ASTWriter::WriteDeclContextVisibleBlock(clang::ASTContext&,
clang::DeclContext*) + 298
26 clang 0x0000000000cc1925
clang::ASTWriter::WriteDecl(clang::ASTContext&, clang::Decl*) + 501
27 clang 0x0000000000c7ae16
clang::ASTWriter::WriteASTCore(clang::Sema&, llvm::StringRef, std::string
const&, clang::Module*) + 8262
28 clang 0x0000000000c78da2 clang::ASTWriter::WriteAST(clang::Sema&,
std::string const&, clang::Module*, llvm::StringRef, bool) + 242
29 clang 0x0000000000cde04f
clang::PCHGenerator::HandleTranslationUnit(clang::ASTContext&) + 287
30 clang 0x0000000000fe9d19 clang::ParseAST(clang::Sema&, bool, bool)
+ 793
31 clang 0x00000000009b9c2e clang::ASTFrontendAction::ExecuteAction()
+ 334
32 clang 0x00000000009b9488 clang::FrontendAction::Execute() + 120
33 clang 0x0000000000978ae1
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 785
34 clang 0x000000000092f34e
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1038
35 clang 0x0000000000917fae cc1_main(char const**, char const**, char
const*, void*) + 702
36 clang 0x0000000000927a17 main + 807
37 libc.so.6 0x00007f6acc950de5 __libc_start_main + 245
38 clang 0x0000000000917c24
Stack dump:
0. Program arguments: /home/cristina/llvm-proj/inst-deb/bin/clang -cc1
-triple x86_64-unknown-linux-gnu -E -disable-free -mrelocation-model static
-mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases
-munwind-tables -fuse-init-array -target-cpu x86-64 -target-linker-version
2.23.52.20130913 -v -resource-dir
/home/cristina/llvm-proj/inst-deb/bin/../lib/clang/3.5.0 -internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8 -internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/x86_64-linux-gnu
-internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/backward
-internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/x86_64-linux-gnu/c++/4.8
-internal-isystem /usr/local/include -internal-isystem
/home/cristina/llvm-proj/inst-deb/bin/../lib/clang/3.5.0/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/cristina/llvm-sources/clang-tiered-pcm-reproducer -ferror-limit 19
-fmessage-length 0 -mstackrealign -fobjc-runtime=gcc -fcxx-exceptions
-fexceptions -fdiagnostics-show-option -x c++ -fcolor-diagnostics -x c++
-std=c++11 -I/home/cristina/root/objOptimizations/include
-Imath/unuran/src/unuran-1.8.0-root/src -fmodules -fno-modules-global-index
-fdisable-module-hash -fmodule-maps -emit-module
/home/cristina/root/objOptimizations/include/module_Unuran.map
-fmodules-cache-path=/home/cristina/llvm-sources/clang-tiered-pcm-reproducer/pcm
-fmodule-name=libUnuran
1. <eof> parser at end of file</pre>
</div>
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