Bug#737275: Clang crashes on SPARC
Sylvestre Ledru
sylvestre at debian.org
Thu Apr 24 21:35:11 UTC 2014
Hello,
It would be nice if you could report that upstream.
Thanks,
Sylvestre
On 22/04/2014 21:36, Richard Allen wrote:
> And a little more:
>
> //Works
> int x;
> typedef __typeof__(x) int2;
>
> //Works
> typedef __typeof__(0) int_t;
>
> //Dies
> typedef __typeof__((int*)0) intptr_t;
>
> //Dies
> //typedef __typeof__(((int*)0)-((int*)0)) ptrdiff_t;
>
>
>
> On Tue, Apr 22, 2014 at 11:30 PM, Richard Allen <rsaxvc at gmail.com
> <mailto:rsaxvc at gmail.com>> wrote:
>
> 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
> <mailto: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 <mailto: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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