[llvm-bugs] [Bug 26804] New: [ppc] LLVM crashes when building 453.povray

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=26804

            Bug ID: 26804
           Summary: [ppc] LLVM crashes when building 453.povray
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: PowerPC
          Assignee: unassignedbugs at nondot.org
          Reporter: carrot at google.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

I got following compile time error when building 453.povray with trunk llvm

clang++:
/usr/local/google/home/carrot/llvm/src4/lib/CodeGen/LiveInterval.cpp:189:
{anonymous}::CalcLiveRangeUtilBase<ImplT, IteratorT, CollectionT>::iterator
{anonymous}::CalcLiveRangeUtilBase<ImplT, IteratorT,
CollectionT>::addSegment({anonymous}::CalcLiveRangeUtilBase<ImplT, IteratorT,
CollectionT>::Segment) [with ImplT = {anonymous}::CalcLiveRangeUtilVector;
IteratorT = llvm::LiveRange::Segment*; CollectionT =
llvm::SmallVector<llvm::LiveRange::Segment, 4u>;
{anonymous}::CalcLiveRangeUtilBase<ImplT, IteratorT, CollectionT>::iterator =
llvm::LiveRange::Segment*; {anonymous}::CalcLiveRangeUtilBase<ImplT, IteratorT,
CollectionT>::Segment = llvm::LiveRange::Segment]: Assertion `B->end <= Start
&& "Cannot overlap two segments with differing ValID's" " (did you def the same
reg twice in a MachineInstr?)"' failed.
0  clang++         0x0000000002d95a1e
llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 44
1  clang++         0x0000000002d95d33
2  clang++         0x0000000002d9444b llvm::sys::RunSignalHandlers() + 118
3  clang++         0x0000000002d95545
4  libpthread.so.0 0x00002ab86770a340
5  libc.so.6       0x00002ab868387cc9 gsignal + 57
6  libc.so.6       0x00002ab86838b0d8 abort + 328
7  libc.so.6       0x00002ab868380b86
8  libc.so.6       0x00002ab868380c32
9  clang++         0x000000000255592f
10 clang++         0x000000000254f0de
llvm::LiveRange::addSegment(llvm::LiveRange::Segment) + 148
11 clang++         0x0000000001ee415a
12 clang++         0x0000000001ee454a
13 clang++         0x00000000025b1ff3
llvm::MachineFunctionPass::runOnFunction(llvm::Function&) + 95
14 clang++         0x00000000028d05d0
llvm::FPPassManager::runOnFunction(llvm::Function&) + 290
15 clang++         0x00000000028d0763
llvm::FPPassManager::runOnModule(llvm::Module&) + 97
16 clang++         0x00000000028d0afe
17 clang++         0x00000000028d124e
llvm::legacy::PassManagerImpl::run(llvm::Module&) + 256
18 clang++         0x00000000028d148f
llvm::legacy::PassManager::run(llvm::Module&) + 39
19 clang++         0x0000000002f8adaa
20 clang++         0x0000000002f8ae95
clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOptions
const&, clang::TargetOptions const&, clang::LangOptions const&,
llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::raw_pwrite_stream*)
+ 127
21 clang++         0x00000000037de391
22 clang++         0x00000000040366b4 clang::ParseAST(clang::Sema&, bool, bool)
+ 849
23 clang++         0x000000000342fb60 clang::ASTFrontendAction::ExecuteAction()
+ 322
24 clang++         0x00000000037dd5da clang::CodeGenAction::ExecuteAction() +
1894
25 clang++         0x000000000342f625 clang::FrontendAction::Execute() + 135
26 clang++         0x00000000033e721a
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 988
27 clang++         0x0000000003524c74
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1062
28 clang++         0x0000000001633989 cc1_main(llvm::ArrayRef<char const*>,
char const*, void*) + 1052
29 clang++         0x000000000162a18e
30 clang++         0x000000000162ab3e main + 2046
31 libc.so.6       0x00002ab868372ec5 __libc_start_main + 245
32 clang++         0x0000000001627b79


The following command line options are used:

-fno-strict-aliasing -O2 -m64 -mvsx -mcpu=power8 -ffp-contract=fast

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