<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 --- - Crash on ignored C++11 attribute"
href="http://llvm.org/bugs/show_bug.cgi?id=17424">17424</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Crash on ignored C++11 attribute
</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>C++11
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>octoploid@yandex.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>markus@x4 clang_bugs % cat test3.ii
[[gnu::fastcall]] void f();
markus@x4 clang_bugs % clang++ -c -std=c++11 test3.ii
test3.ii:1:3: warning: calling convention 'fastcall' ignored for this target
[-Wignored-attributes]
[[gnu::fastcall]] void f();
^
0 clang-3.4 0x0000000000fc47f2 llvm::sys::PrintStackTrace(_IO_FILE*) +
34
1 clang-3.4 0x0000000000fc43c4
2 libpthread.so.0 0x00007f4b216e2820
3 clang-3.4 0x00000000015f5fe4
4 clang-3.4 0x00000000015fae75
clang::Sema::GetTypeSourceInfoForDeclarator(clang::Declarator&,
clang::QualType, clang::TypeSourceInfo*) + 341
5 clang-3.4 0x000000000160554c
6 clang-3.4 0x0000000001607e30
clang::Sema::GetTypeForDeclarator(clang::Declarator&, clang::Scope*) + 352
7 clang-3.4 0x00000000013afdff
clang::Sema::HandleDeclarator(clang::Scope*, clang::Declarator&,
llvm::MutableArrayRef<clang::TemplateParameterList*>) + 815
8 clang-3.4 0x00000000013b08d5
clang::Sema::ActOnDeclarator(clang::Scope*, clang::Declarator&) + 21
9 clang-3.4 0x0000000001280b19
clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes(clang::Declarator&,
clang::Parser::ParsedTemplateInfo const&) + 73
10 clang-3.4 0x000000000128b2bd
clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, unsigned int, bool,
clang::SourceLocation*, clang::Parser::ForRangeInit*) + 1773
11 clang-3.4 0x00000000012774ad
clang::Parser::ParseDeclOrFunctionDefInternal(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec&, clang::AccessSpecifier) + 237
12 clang-3.4 0x0000000001277b19
13 clang-3.4 0x0000000001277b4f
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*, clang::AccessSpecifier) + 31
14 clang-3.4 0x000000000127bc9b
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) + 267
15 clang-3.4 0x000000000127c572
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&) + 194
16 clang-3.4 0x0000000001271da0 clang::ParseAST(clang::Sema&, bool, bool)
+ 368
17 clang-3.4 0x00000000011c0da9 clang::FrontendAction::Execute() + 169
18 clang-3.4 0x00000000011a30e8
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 296
19 clang-3.4 0x0000000000fc7d0a
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1402
20 clang-3.4 0x00000000006dcb88 cc1_main(char const**, char const**, char
const*, void*) + 824
21 clang-3.4 0x00000000006c77c9 main + 9193
22 libc.so.6 0x00007f4b210fca75 __libc_start_main + 245
23 clang-3.4 0x00000000006dbdc2
Stack dump:
0. Program arguments: /usr/local/bin/clang-3.4 -cc1 -triple
x86_64-unknown-linux-gnu -emit-obj -mrelax-all -disable-free
-disable-llvm-verifier -main-file-name test3.ii -mrelocation-model static
-mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases
-munwind-tables -fuse-init-array -target-cpu x86-64 -coverage-file
/var/tmp/clang_bugs/test3.o -resource-dir /usr/local/bin/../lib/clang/3.4
-std=c++11 -fdeprecated-macro -fdebug-compilation-dir /var/tmp/clang_bugs
-ferror-limit 19 -fmessage-length 174 -mstackrealign -fobjc-runtime=gcc
-fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics
-vectorize-slp -o test3.o -x c++-cpp-output test3.ii
1. test3.ii:1:27: current parser token ';'
clang-3.4: error: unable to execute command: Segmentation fault
clang-3.4: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.4 (<a href="http://llvm.org/git/clang.git">http://llvm.org/git/clang.git</a>
f78bf4a0132a3ea366ba3baadd9d6af26c617d11) (<a href="http://llvm.org/git/llvm.git">http://llvm.org/git/llvm.git</a>
835e284214c6e920924b5375590e77fd953cbefe)
Target: x86_64-unknown-linux-gnu
Thread model: posix
clang-3.4: note: diag</pre>
</div>
</p>
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