[llvm-dev] Help with segfault in llvm_shutdown with LLVM 5.0 Release build (original) (raw)
Friedman, Eli via llvm-dev llvm-dev at lists.llvm.org
Tue Sep 19 10:49:55 PDT 2017
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On 9/18/2017 8:20 PM, Diptorup Deb via llvm-dev wrote:
Hi,
We are upgrading an LLVM 4.0-based opt module to LLVM 5.0. After the upgrade our module works when built with an LLVM Debug build, but with an LLVM Release build we are encountering the following error. This happens after our passes have successfully run. I believe this has to do with the way our passes are registered. Would greatly appreciate some pointers, as to where to look. Program received signal SIGSEGV, Segmentation fault. #0 0x00007ffff6926c20 in ?? () #1 0x00005555561c333b in llvm::objectdeleter<llvm::SmallVector<std::pair<llvm::PassManagerBuilder::ExtensionPointTy,_ _std::function<void (llvm::PassManagerBuilder const&,_ _llvm::legacy::PassManagerBase&)> >, 8u> >::call(void*) () #2 0x000055555658492d in llvm::ManagedStaticBase::destroy() const () #3 0x00005555565849e5 in llvm::llvmshutdown() () #4 0x000055555589e0a2 in main ()
See https://reviews.llvm.org/D33515 for context. I thought we fixed the problem, but it looks like you found some other way to trigger it.
-Eli
-- Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project
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