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<base href="https://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 --- - __restrict__ qualifier applied to ill-formed pointer to reference in function declaration causes ICE"
href="https://llvm.org/bugs/show_bug.cgi?id=25354">25354</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>__restrict__ qualifier applied to ill-formed pointer to reference in function declaration causes ICE
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>3.5
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</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>yaghmour.shafik@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>The following code see it live
<a href="http://melpon.org/wandbox/permlink/lgp392JgRKcS5fN3">http://melpon.org/wandbox/permlink/lgp392JgRKcS5fN3</a>:
void func( double &*__restrict__ y){
}
causes an ICE and generate the following dump:
rog.cc:1:20: error: 'y' declared as a pointer to a reference of type 'double &'
void func( double &*__restrict__ y){
^
0 clang 0x0000000001e05f52 llvm::sys::PrintStackTrace(_IO_FILE*) +
34
1 clang 0x0000000001e05afc
2 libpthread.so.0 0x00007fa9df01bcb0
3 clang 0x0000000000d36653
clang::Sema::BuildQualifiedType(clang::QualType, clang::SourceLocation,
clang::Qualifiers, clang::DeclSpec const*) + 35
4 clang 0x0000000000d3e40d
clang::Sema::BuildQualifiedType(clang::QualType, clang::SourceLocation,
unsigned int, clang::DeclSpec const*) + 173
5 clang 0x0000000000d42403
6 clang 0x0000000000d45209
clang::Sema::GetTypeForDeclarator(clang::Declarator&, clang::Scope*) + 345
7 clang 0x0000000000ab265b
clang::Sema::ActOnParamDeclarator(clang::Scope*, clang::Declarator&) + 139
8 clang 0x00000000009b3c9b
clang::Parser::ParseParameterDeclarationClause(clang::Declarator&,
clang::ParsedAttributes&,
llvm::SmallVectorImpl<clang::DeclaratorChunk::ParamInfo>&,
clang::SourceLocation&) + 1499
9 clang 0x00000000009b4c83
clang::Parser::ParseFunctionDeclarator(clang::Declarator&,
clang::ParsedAttributes&, clang::BalancedDelimiterTracker&, bool, bool) + 1747
10 clang 0x00000000009b5760
clang::Parser::ParseDirectDeclarator(clang::Declarator&) + 672
11 clang 0x00000000009a757d
clang::Parser::ParseDeclaratorInternal(clang::Declarator&, void
(clang::Parser::*)(clang::Declarator&)) + 173
12 clang 0x00000000009a80b2
clang::Parser::ParseDeclarator(clang::Declarator&) + 18
13 clang 0x00000000009b1b43
clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, unsigned int, bool,
clang::SourceLocation*, clang::Parser::ForRangeInit*) + 627
14 clang 0x000000000099a8e8
clang::Parser::ParseDeclOrFunctionDefInternal(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec&, clang::AccessSpecifier) + 280
15 clang 0x000000000099af66
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*, clang::AccessSpecifier) + 966
16 clang 0x000000000099e243
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) + 259
17 clang 0x000000000099e9dc
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&) + 428
18 clang 0x0000000000998330 clang::ParseAST(clang::Sema&, bool, bool)
+ 352
19 clang 0x000000000080d4af clang::CodeGenAction::ExecuteAction() +
31
20 clang 0x0000000000695876 clang::FrontendAction::Execute() + 118
21 clang 0x0000000000674830
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 256
22 clang 0x000000000065f7d1
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1921
23 clang 0x000000000065a028 cc1_main(char const**, char const**, char
const*, void*) + 984
24 clang 0x000000000064283f main + 8527
25 libc.so.6 0x00007fa9dde2776d __libc_start_main + 237
26 clang 0x0000000000658fc5
Stack dump:
0. Program arguments: /usr/local/llvm-3.5/bin/clang -cc1 -triple
x86_64-unknown-linux-gnu -emit-obj -mrelax-all -disable-free
-disable-llvm-verifier -main-file-name prog.cc -mrelocation-model static
-mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases
-munwind-tables -target-cpu x86-64 -target-linker-version 2.22
-dwarf-column-info -nostdinc++ -resource-dir
/usr/local/llvm-3.5/bin/../lib/clang/3.5.0 -I
/usr/local/libcxx-3.5/include/c++/v1 -internal-isystem /usr/local/include
-internal-isystem /usr/local/llvm-3.5/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 -Wall
-Wextra -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /home/jail
-ferror-limit 19 -fmessage-length 0 -mstackrealign -fobjc-runtime=gcc
-fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics
-fansi-escape-codes -o /tmp/prog-ce2f19.o -x c++ prog.cc
1. prog.cc:1:35: current parser token ')'
clang: error: unable to execute command: Segmentation fault
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.5.0 (tags/RELEASE_350/final)
Target: x86_64-unknown-linux-gnu
Thread model: posix
clang: note: diagnostic msg: PLEASE submit a bug report to
<a href="http://llvm.org/bugs/">http://llvm.org/bugs/</a> and include the crash backtrace, preprocessed source, and
associated run script.
clang: note: diagnostic msg:
********************
I can not reproduce on version 3.6 or above.</pre>
</div>
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