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<base href="http://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Asserts on valid with anonymous union member name being hidden by namespace member declaration"
href="http://llvm.org/bugs/show_bug.cgi?id=20763">20763</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Asserts on valid with anonymous union member name being hidden by namespace member declaration
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</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>C++
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>hstong@ca.ibm.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>Asserts on valid with declaration in namespace following a using directive
bringing a member of an anonymous union with the same name into scope.
### SOURCE:
$ cat nsAnonUnion.cc
namespace K {
static union { int x; };
}
using namespace K;
int x;
### COMPILER INVOCATION AND OUTPUT:
$ clang -cc1 -x c++ -std=c++03 nsAnonUnion.cc
clang: /build/clang/src/llvm/tools/clang/lib/AST/Decl.cpp:618:
clang::LinkageInfo getLVForNamespaceScopeDecl(const clang::NamedDecl*,
LVComputationKind): Assertion `!isa<IndirectFieldDecl>(D) && "Didn't expect an
IndirectFieldDecl!"' failed.
0 clang 0x0000000003c87265 llvm::sys::PrintStackTrace(_IO_FILE*) +
38
1 clang 0x0000000003c874e2
2 clang 0x0000000003c86e88
3 libpthread.so.0 0x00007fa97f69a340
4 libc.so.6 0x00007fa97e8d6f79 gsignal + 57
5 libc.so.6 0x00007fa97e8da388 abort + 328
6 libc.so.6 0x00007fa97e8cfe36
7 libc.so.6 0x00007fa97e8cfee2
8 clang 0x00000000025e53dc
9 clang 0x00000000025e6e1c
10 clang 0x00000000025e6f0d
11 clang 0x00000000025e7126
12 clang 0x00000000025e62ef clang::NamedDecl::getLinkageInternal()
const + 29
13 clang 0x00000000013f4a1c
14 clang 0x00000000025e7d1e clang::NamedDecl::hasLinkage() const + 24
15 clang 0x00000000017582a6
16 clang 0x0000000001749775
clang::Sema::FilterLookupForScope(clang::LookupResult&, clang::DeclContext*,
clang::Scope*, bool, bool) + 143
17 clang 0x000000000175ae8e
clang::Sema::ActOnVariableDeclarator(clang::Scope*, clang::Declarator&,
clang::DeclContext*, clang::TypeSourceInfo*, clang::LookupResult&,
llvm::MutableArrayRef<clang::TemplateParameterList*>, bool&) + 7754
18 clang 0x000000000175700b
clang::Sema::HandleDeclarator(clang::Scope*, clang::Declarator&,
llvm::MutableArrayRef<clang::TemplateParameterList*>) + 2965
19 clang 0x0000000001755cde
clang::Sema::ActOnDeclarator(clang::Scope*, clang::Declarator&) + 80
20 clang 0x000000000160ca19
clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes(clang::Declarator&,
clang::Parser::ParsedTemplateInfo const&, clang::Parser::ForRangeInit*) + 159
21 clang 0x000000000160c3d1
clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, unsigned int, bool,
clang::SourceLocation*, clang::Parser::ForRangeInit*) + 1433
22 clang 0x00000000015fa967
clang::Parser::ParseDeclOrFunctionDefInternal(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec&, clang::AccessSpecifier) + 1021
23 clang 0x00000000015faa57
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*, clang::AccessSpecifier) + 189
24 clang 0x00000000015fa221
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) + 2911
25 clang 0x00000000015f9678
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&) + 538
26 clang 0x00000000015f2eea clang::ParseAST(clang::Sema&, bool, bool)
+ 602
27 clang 0x00000000010af8c4 clang::ASTFrontendAction::ExecuteAction()
+ 322
28 clang 0x00000000010af39f clang::FrontendAction::Execute() + 139
29 clang 0x00000000010799bd
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 721
30 clang 0x000000000103d1eb
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 993
31 clang 0x000000000102ad32 cc1_main(llvm::ArrayRef<char const*>,
char const*, void*) + 770
32 clang 0x0000000001037cbc
33 clang 0x00000000010380f0 main + 661
34 libc.so.6 0x00007fa97e8c1ec5 __libc_start_main + 245
35 clang 0x0000000001029369
Stack dump:
0. Program arguments: clang -cc1 -x c++ -std=c++03 nsAnonUnion.cc
1. nsAnonUnion.cc:6:6: current parser token ';'
Aborted (core dumped)
### COMPILER VERSION INFO:
$ clang++ -v
clang version 3.6.0 (trunk 215824)
Target: x86_64-unknown-linux-gnu
Thread model: posix
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8.2
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9.0
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8
Candidate multilib: .;@m64
Selected multilib: .;@m64</pre>
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