[llvm-dev] LLVM crash on iOS simulator

[Ramakrishna Mallireddy via llvm-dev]

Hi,
I have build swift-clang, swift-llvm, swift for iOS.

I created a new iOS sample single-view app and added these libraries.
Created a single wrapper method around swift front-end and when run the app
it crash before it reach appdelegate.

I have no clue what going on here,  I don't see *libLLVMContainer *anywhere
in llvm libraries list. Even after removing LLVM Pass Manager from the
libraries list, nothing changes. I build llvm with thread disabled. After
getting this crash I build llvm again with pthread and stuff disabled but
nothing changed.

any input on what going wrong here.

Here is crash log:

*(lldb) **bt all*

* thread #1: tid = 0x28190, 0x079acddb
libsystem_pthread.dylib`_pthread_rwlock_check_init + 11, queue =
'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)

  * frame #0: 0x079acddb libsystem_pthread.dylib`_pthread_rwlock_check_init
+ 11

    frame #1: 0x079acaf0 libsystem_pthread.dylib`_pthread_rwlock_lock + 25

    frame #2: 0x079b1fcc
libsystem_pthread.dylib`pthread_rwlock_wrlock$UNIX2003 + 23

    frame #3: 0x0d4f0f13
libLLVMContainer.dylib`llvm::sys::RWMutexImpl::writer_acquire() + 19

    frame #4: 0x0d44bb12
libLLVMContainer.dylib`llvm::PassRegistry::addRegistrationListener(llvm::PassRegistrationListener*)
+ 34

    frame #5: 0x0d44767e
libLLVMContainer.dylib`llvm::PassNameParser::PassNameParser() + 78

    frame #6: 0x0d43ead3
libLLVMContainer.dylib`_GLOBAL__sub_I_LegacyPassManager.cpp + 1299

    frame #7: 0x017ef20f

    frame #8: 0x017ef368

    frame #9: 0x017eaa01

    frame #10: 0x017ea994

    frame #11: 0x017ea994

    frame #12: 0x017ea994

    frame #13: 0x017ea994

    frame #14: 0x017ea994

    frame #15: 0x017ea994

    frame #16: 0x017ea994

    frame #17: 0x017ea994

    frame #18: 0x017e9d54

    frame #19: 0x017e9de3

    frame #20: 0x017dfc50

    frame #21: 0x017e32c7

    frame #22: 0x017df1f9

    frame #23: 0x8fe62118 dyld`dyld::useSimulatorDyld(int, macho_header
const*, char const*, int, char const**, char const**, char const**,
unsigned long*) + 1053

    frame #24: 0x8fe611f2 dyld`dyld::_main(macho_header const*, unsigned
long, int, char const**, char const**, char const**, unsigned long*) + 202

    frame #25: 0x8fe5d232 dyld`dyldbootstrap::start(macho_header const*,
int, char const**, long, macho_header const*, unsigned long*) + 428

    frame #26: 0x8fe5d047 dyld`_dyld_start + 71


Thanks

Ramakrishna
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