<html>
<head>
<base href="https://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 --- - Crash in CodeCompleteConstructorInitializer for invalid code" href="https://urldefense.proofpoint.com/v2/url?u=https-3A__llvm.org_bugs_show-5Fbug.cgi-3Fid-3D23948&d=AwMBaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=pF93YEPyB-J_PERP4DUZOJDzFVX5ZQ57vQk33wu0vio&m=Cp8WV359ZCX48y_bI9zsVGVfhS3U63K-9MCs3m2f8DU&s=Jgt8aY4zOZayA1UROKz4rhTESJB-x2bNDJo4hvxO8gQ&e=">23948</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Crash in CodeCompleteConstructorInitializer for invalid code
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>3.6
</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>libclang
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>nikolai.kosjar@digia.com
</td>
</tr>
<tr>
<th>CC</th>
<td>klimek@google.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>$ cat lala.cpp
struct Foo
{
template <T size>
Foo()
: // complete after ':'
{}
};
$ clang-3.6 -cc1 -code-completion-at lala.cpp:5:10 lala.cpp
lala.cpp:3:15: error: unknown type name 'T'
template <T size>
^
0 libLLVM-3.6.so.1 0x00007f103e4dc912 llvm::sys::PrintStackTrace(_IO_FILE*) +
34
1 libLLVM-3.6.so.1 0x00007f103e4daeb1
2 libpthread.so.0 0x00007f103d0c4340
3 clang-3.6 0x0000000000891747
4 clang-3.6 0x0000000000afc97a
clang::Sema::CodeCompleteConstructorInitializer(clang::Decl*,
llvm::ArrayRef<clang::CXXCtorInitializer*>) + 810
5 clang-3.6 0x0000000000a2aad2
clang::Parser::ParseConstructorInitializer(clang::Decl*) + 690
6 clang-3.6 0x0000000000a77e28
clang::Parser::ParseLexedMethodDef(clang::Parser::LexedMethod&) + 760
7 clang-3.6 0x0000000000a77a9e
clang::Parser::ParseLexedMethodDefs(clang::Parser::ParsingClass&) + 142
8 clang-3.6 0x0000000000a32ca9
clang::Parser::ParseCXXMemberSpecification(clang::SourceLocation,
clang::SourceLocation, clang::Parser::ParsedAttributesWithRange&, unsigned int,
clang::Decl*) + 2089
9 clang-3.6 0x0000000000a33a2a
clang::Parser::ParseClassSpecifier(clang::tok::TokenKind,
clang::SourceLocation, clang::DeclSpec&, clang::Parser::ParsedTemplateInfo
const&, clang::AccessSpecifier, bool, clang::Parser::DeclSpecContext,
clang::Parser::ParsedAttributesWithRange&) + 1514
10 clang-3.6 0x0000000000a1ec04
clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&,
clang::Parser::ParsedTemplateInfo const&, clang::AccessSpecifier,
clang::Parser::DeclSpecContext, clang::Parser::LateParsedAttrList*) + 4628
11 clang-3.6 0x0000000000a0a494
clang::Parser::ParseDeclOrFunctionDefInternal(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec&, clang::AccessSpecifier) + 84
12 clang-3.6 0x0000000000a0ac26
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*, clang::AccessSpecifier) + 1014
13 clang-3.6 0x0000000000a0df03
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) + 259
14 clang-3.6 0x0000000000a0e64c
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&) + 460
15 clang-3.6 0x0000000000a083e0 clang::ParseAST(clang::Sema&, bool,
bool) + 352
16 clang-3.6 0x00000000006e81d6 clang::FrontendAction::Execute() + 118
17 clang-3.6 0x00000000006c7078
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 280
18 clang-3.6 0x00000000006b18c4
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1892
19 clang-3.6 0x00000000006ac6f8 cc1_main(llvm::ArrayRef<char const*>,
char const*, void*) + 1304
20 clang-3.6 0x00000000006aab56 main + 8246
21 libc.so.6 0x00007f103c7f4ec5 __libc_start_main + 245
22 clang-3.6 0x00000000006ab74c
Stack dump:
0. Program arguments: clang-3.6 -cc1 -code-completion-at lala.cpp:5:10
lala.cpp
1. lala.cpp:5:10: current parser token ''
2. lala.cpp:1:1: parsing struct/union/class body 'Foo'
zsh: segmentation fault (core dumped) clang-3.6 -cc1 -code-completion-at
lala.cpp:5:10 lala.cpp
$</pre>
</div>
</p>
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