Compiler segmentation fault with XMPPFramework

[cevarojetam]

Very nice tool. I'm trying to use it one of my projects.
The project uses XMPPFramework:
https://github.com/robbiehanson/XMPPFramework

Compilation with flags -mllvm -fla, -mllvm -sub works fine.

but when I add -mllvm -bcf in any form,
e.g. without additional arguments or with -mllvm -boguscf-loop=3 -boguscf-prob=100
the compiler fails and shows following output:

0  clang-3.5                0x000000010ea660e8 llvm::sys::PrintStackTrace(__sFILE*) + 40
1  clang-3.5                0x000000010ea665c4 SignalHandler(int) + 452
2  libsystem_platform.dylib 0x00007fff86ec0f1a _sigtramp + 26
3  clang-3.5                0x000000010e6a73c8 MarkBlocksLiveIn(llvm::BasicBlock*, llvm::SmallPtrSet<llvm::BasicBlock*, 64u>&) + 24
4  clang-3.5                0x000000010e7b2edd llvm::FPPassManager::runOnFunction(llvm::Function&) + 301
5  clang-3.5                0x000000010e7b30cb llvm::FPPassManager::runOnModule(llvm::Module&) + 43
6  clang-3.5                0x000000010e7b358f llvm::legacy::PassManagerImpl::run(llvm::Module&) + 975
7  clang-3.5                0x000000010ee4395e clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::raw_ostream*) + 6318
8  clang-3.5                0x000000010ef5a11b clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) + 523
9  clang-3.5                0x000000010f234864 clang::ParseAST(clang::Sema&, bool, bool) + 468
10 clang-3.5                0x000000010ef58b97 clang::CodeGenAction::ExecuteAction() + 87
11 clang-3.5                0x000000010ec43c5e clang::FrontendAction::Execute() + 62
12 clang-3.5                0x000000010ec17ae3 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 867
13 clang-3.5                0x000000010ec79612 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 4354
14 clang-3.5                0x000000010deedfbc cc1_main(char const**, char const**, char const*, void*) + 1036
15 clang-3.5                0x000000010deeacb8 main + 1128
16 libdyld.dylib            0x00007fff86bdf5c9 start + 1
Stack dump:

...

<long Program arguments list>

...

1.  <eof> parser at end of file
2.  Code generation
3.  Running pass 'Function Pass Manager' on module '/Users/eldred/work/project/Phonex/ios/app/repo/dependency/xmppFramework/sources/Extensions/XEP-0198/XMPPStreamManagement.m'.
4.  Running pass 'SJLJ Exception Handling preparation' on function '@"\01-[XMPPStreamManagement autoResume]"'
clang-3.5: error: unable to execute command: Segmentation fault: 11
clang-3.5: error: clang frontend command failed due to signal (use -v to see invocation)
Obfuscator- clang version 3.5.0 (tags/RELEASE_350/final) (based on LLVM 3.5.0svn)
Target: arm-apple-darwin14.0.0
Thread model: posix
clang-3.5: note: diagnostic msg: PLEASE submit a bug report to http://o-llvm.org and include the crash backtrace, preprocessed source, and associated run script.
clang-3.5: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-3.5: note: diagnostic msg: /var/folders/93/qkpkws7j1z3_9dmckflpg62h0000gn/T/XMPPStreamManagement-2a7a3e.m
clang-3.5: note: diagnostic msg: /var/folders/93/qkpkws7j1z3_9dmckflpg62h0000gn/T/XMPPStreamManagement-2a7a3e.cache
clang-3.5: note: diagnostic msg: /var/folders/93/qkpkws7j1z3_9dmckflpg62h0000gn/T/XMPPStreamManagement-2a7a3e.sh
clang-3.5: note: diagnostic msg: 

********************
Command /Users/eldred/work/tool/llvmObfs/build/bin/clang failed with exit code 254

It look like it has a problem with method autoResume in XMPPStreamManagement.m:

- (BOOL)autoResume
{
    XMPPLogTrace();

    __block BOOL result = NO;

    dispatch_block_t block = ^{
        result = autoResume;
    };

    if (dispatch_get_specific(moduleQueueTag))
        block();
    else
        dispatch_sync(moduleQueue, block);

    return result;
}

[pyknite]

Please, can you try again with the new version?

[shichangone]

got the same problem, with xcode 6.3 and o-llvm3.6.1.
I tried several projects like https://github.com/kif-framework/KIF ,
-mllvm -fla, -mllvm -sub works fine, but -mllvm -bcf allways compile failed and showed save error.