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==15305== Access not within mapped region at address 0x0
==15305== at 0x836F795: llvm::TerminatorInst::getNumSuccessors() const
(InstrTypes.h:56)
==15305== by 0x8579393: llvm::DominatorTree::DFSPass(llvm::BasicBlock*,
llvm::DominatorTreeBase::InfoRec&, unsigned) (Dominators.cpp:106)
==15305== by 0x8579788: llvm::DominatorTree::calculate(llvm::Function&)
(Dominators.cpp:244)
==15305== by 0x857A0A3: llvm::DominatorTree::runOnFunction(llvm::Function&)
(Dominators.cpp:369)
==15305== by 0x85AE9C1: llvm::FPPassManager::runOnFunction(llvm::Function&)
(PassManager.cpp:1145)
==15305== by 0x85AEB71: llvm::FPPassManager::runOnModule(llvm::Module&)
(PassManager.cpp:1164)
==15305== by 0x85AECE1: llvm::MPPassManager::runOnModule(llvm::Module&)
(PassManager.cpp:1213)
==15305== by 0x85AF0CD: llvm::PassManagerImpl::run(llvm::Module&)
(PassManager.cpp:1286)
==15305== by 0x85AF239: llvm::PassManager::run(llvm::Module&)
(PassManager.cpp:1318)
==15305== by 0x8377A85: main (opt.cpp:366)
Extended Description
$ opt -sccp tc.bc
opt((anonymous namespace)::PrintStackTrace()+0x1a)[0x8650486]
opt((anonymous namespace)::SignalHandler(int)+0x112)[0x865074c]
[0xffffe420]
opt(llvm::DominatorTree::DFSPass(llvm::BasicBlock*,
llvm::DominatorTreeBase::InfoRec&, unsigned int)+0xf5)[0x85b0fdf]
opt(llvm::DominatorTree::calculate(llvm::Function&)+0x108)[0x85b11c6]
opt(llvm::DominatorTree::runOnFunction(llvm::Function&)+0x46)[0x85b1692]
opt(llvm::FPPassManager::runOnFunction(llvm::Function&)+0x13a)[0x85eb2bc]
opt(llvm::FPPassManager::runOnModule(llvm::Module&)+0x6e)[0x85eb484]
opt(llvm::MPPassManager::runOnModule(llvm::Module&)+0x11d)[0x85eaf5d]
opt(llvm::PassManagerImpl::run(llvm::Module&)+0x6e)[0x85eb12a]
opt(llvm::PassManager::run(llvm::Module&)+0x1a)[0x85eb17c]
opt(main+0xa10)[0x8388296]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xdc)[0xb7cc0ebc]
opt(realloc+0x7d)[0x837a4c1]
Segmentation fault (core dumped)
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