Bug#737275: Clang crashes on SPARC

[Richard Allen]

Hey, got it narrowed down more.

typedef __typeof__(((int*)0)-((int*)0)) ptrdiff_t;

This crashes clang 3.0, but it appears to be the same problem as was on 3.0
and 3.4.


On Sat, Feb 8, 2014 at 7:59 PM, Richard Allen <rsaxvc at gmail.com> wrote:

> 3.4 faults as well. I'm trying to find another Debian/SPARC user on the
> local LUG.
>
> clang --version
> clang version 3.4 (tags/RELEASE_34/final)
> Target: sparc64-unknown-linux-gnu
> Thread model: posix
>
> clang test.c
> 0  clang           0x024c3980
> 1  libpthread.so.0 0xf79210b8
> 2  clang           0x011fd920 clang::Expr::EvaluateAsInt(llvm::APSInt&,
> clang::ASTContext const&, clang::Expr::SideEffectsKind) const + 192
> 3  clang           0x011fd9b4
> clang::Expr::isIntegerConstantExpr(llvm::APSInt&, clang::ASTContext const&,
> clang::SourceLocation*, bool) const + 84
> 4  clang           0x008d0398
> 5  clang           0x008d39ac
> 6  clang           0x008dc3ac
> 7  clang           0x008de790
> clang::Sema::ProcessDeclAttributeList(clang::Scope*, clang::Decl*,
> clang::AttributeList const*, bool) + 48
> 8  clang           0x008af8d4
> clang::Sema::ActOnFunctionDeclarator(clang::Scope*, clang::Declarator&,
> clang::DeclContext*, clang::TypeSourceInfo*, clang::LookupResult&,
> llvm::MutableArrayRef<clang::TemplateParameterList*>, bool&) + 6612
> 9  clang           0x008b7700 clang::Sema::HandleDeclarator(clang::Scope*,
> clang::Declarator&, llvm::MutableArrayRef<clang::TemplateParameterList*>) +
> 2784
> 10 clang           0x008b7cf0 clang::Sema::ActOnDeclarator(clang::Scope*,
> clang::Declarator&) + 48
> 11 clang           0x0077a618
> clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes(clang::Declarator&,
> clang::Parser::ParsedTemplateInfo const&) + 536
> 12 clang           0x00789c98
> clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, unsigned int, bool,
> clang::SourceLocation*, clang::Parser::ForRangeInit*) + 1752
> 13 clang           0x0076ea14
> clang::Parser::ParseDeclOrFunctionDefInternal(clang::Parser::ParsedAttributesWithRange&,
> clang::ParsingDeclSpec&, clang::AccessSpecifier) + 276
> 14 clang           0x0076f09c
> clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsedAttributesWithRange&,
> clang::ParsingDeclSpec*, clang::AccessSpecifier) + 732
> 15 clang           0x00771938
> clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
> clang::ParsingDeclSpec*) + 88
> 16 clang           0x0077205c
> clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&) +
> 188
> 17 clang           0x00768044 clang::ParseAST(clang::Sema&, bool, bool) +
> 516
> 18 clang           0x003ed570 clang::FrontendAction::Execute() + 304
> 19 clang           0x003cc438
> clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 408
> 20 clang           0x003b11ac
> clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1836
> 21 clang           0x003aac78 cc1_main(char const**, char const**, char
> const*, void*) + 1400
> 22 clang           0x0038e444 main + 516
> 23 libc.so.6       0xf7524e4c __libc_start_main + 268
> 24 clang           0x003aa52c _start + 44
> Stack dump:
> 0. Program arguments:
> /home/rsaxvc/code/llvm-build/Release+Asserts/bin/clang -cc1 -triple
> sparc64-unknown-linux-gnu -S -disable-free -main-file-name test.c
> -mrelocation-model static -mdisable-fp-elim -fmath-errno
> -mconstructor-aliases -target-linker-version 2.22 -resource-dir
> /home/rsaxvc/code/llvm-build/Release+Asserts/bin/../lib/clang/3.4
> -internal-isystem /usr/local/include -internal-isystem
> /home/rsaxvc/code/llvm-build/Release+Asserts/bin/../lib/clang/3.4/include
> -internal-externc-isystem /include -internal-externc-isystem /usr/include
> -fno-dwarf-directory-asm -fdebug-compilation-dir /home/rsaxvc/code
> -ferror-limit 19 -fmessage-length 0 -mstackrealign -fobjc-runtime=gcc
> -fdiagnostics-show-option -vectorize-slp -o /tmp/test-534c7f.s -x c test.c
> 1. /usr/include/stdlib.h:146:54: current parser token ';'
> clang: error: unable to execute command: Bus error
> clang: error: clang frontend command failed due to signal (use -v to see
> invocation)
> clang version 3.4 (tags/RELEASE_34/final)
> Target: sparc64-unknown-linux-gnu
> Thread model: posix
> clang: note: diagnostic msg: PLEASE submit a bug report to
> http://llvm.org/bugs/ and include the crash backtrace, preprocessed
> source, and associated run script.
> clang: note: diagnostic msg:
> ********************
>
> PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
> Preprocessed source(s) and associated run script(s) are located at:
> clang: note: diagnostic msg: /tmp/test-c0ad4a.c
> clang: note: diagnostic msg: /tmp/test-c0ad4a.sh
> clang: note: diagnostic msg:
>
> ********************
>
>
> On Sat, Feb 1, 2014 at 10:18 AM, Sylvestre Ledru <sylvestre at debian.org>wrote:
>
>>
>> On 31/01/2014 18:18, Richard Allen wrote:
>> > Package: clang
>> > Version: 1.3.0-6.2
>> > Invoking clang on any 'c' file including <stdlib.h> crashes the
>> compiler with a "Bus Error" and a backtrace. Crash log is below.
>> clang 3.0 is starting to be very old. could you have a look to the 3.4
>> release ? (the lastest)
>>
>> Thanks
>> S
>>
>>
>
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