[LLVMbugs] [Bug 1431] NEW: segfault with -sccp

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=1431

           Summary: segfault with -sccp
           Product: new-bugs
           Version: unspecified
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: baldrick at free.fr


$ 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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