[LLVMbugs] [Bug 632] NEW: crash on x86 linux in opt -globalopt

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=632

           Summary: crash on x86 linux in opt -globalopt
           Product: tools
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: blocker
          Priority: P2
         Component: opt
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: eric at vanrietpaap.nl


reduced .bc file attached

opt((anonymous namespace)::PrintStackTrace()+0x1f)[0x839677f]
opt((anonymous namespace)::SignalHandler(int)+0x11b)[0x8396a9b]
/lib/libpthread.so.0[0xb7f7e6df]
[0xffffe420]
opt(llvm::ConstantFoldLoadThroughGEPConstantExpr(llvm::Constant*,
llvm::ConstantExpr*)+0x14e)[0x82e89fe]
opt[0x81f6bbc]
opt[0x81f6b30]
opt((anonymous
namespace)::GlobalOpt::ProcessInternalGlobal(llvm::GlobalVariable*,
llvm::ilist_iterator<llvm::GlobalVariable>&)+0x472)[0x81f9a42]
opt((anonymous
namespace)::GlobalOpt::OptimizeGlobalVars(llvm::Module&)+0x7f)[0x81fa5df]
opt((anonymous namespace)::GlobalOpt::runOnModule(llvm::Module&)+0x34)[0x81fc604]
opt(llvm::PassManagerT<llvm::Module>::runOnUnit(llvm::Module*)+0x4bc)[0x835950c]
opt(llvm::PassManagerTraits<llvm::Module>::runOnModule(llvm::Module&)+0x17)[0x8353f27]
opt(llvm::PassManager::run(llvm::Module&)+0x1b)[0x83276eb]
opt(main+0xaac)[0x81097bc]
/lib/libc.so.6(__libc_start_main+0xae)[0xb7d6137e]
opt(__gxx_personality_v0+0x111)[0x8108c71]
Segmentation fault



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