[LLVMbugs] [Bug 15941] New: ICE when compiling with clang 3.4

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=15941

            Bug ID: 15941
           Summary: ICE when compiling with clang 3.4
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: ishiura-compiler at ml.kwansei.ac.jp
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 10487
  --> http://llvm.org/bugs/attachment.cgi?id=10487&action=edit
error-wevEDr.c and error-wevEDr.sh

LLVM + clang version 3.4 for x86_64 ICEs with "-O1" option.

The following files are attached:
error-wevEDr.c
error-wevEDr.sh

    $ clang error.c -O1
    clang: /home/hassy/llvm/lib/CodeGen/ScheduleDAG.cpp:511: void
llvm::ScheduleDAGTopologicalSort::InitDAGTopologicalSorting(): Assertion
`Node2Index[SU->NodeNum] > Node2Index[I->getSUnit()->NodeNum] && "Wrong
topological sorting"' failed.
    0  clang           0x00000000020edef2 llvm::sys::PrintStackTrace(_IO_FILE*)
+ 34
    1  clang           0x00000000020edb89
    2  libpthread.so.0 0x00007faedfee8cb0
    3  libc.so.6       0x00007faedef2f425 gsignal + 53
    4  libc.so.6       0x00007faedef32b8b abort + 379
    5  libc.so.6       0x00007faedef280ee
    6  libc.so.6       0x00007faedef28192
    7  clang           0x0000000001b79cf1
llvm::ScheduleDAGTopologicalSort::InitDAGTopologicalSorting() + 1233
    8  clang           0x0000000001a0d7e7
    9  clang           0x00000000019a17a6
llvm::SelectionDAGISel::CodeGenAndEmitDAG() + 1078
    10 clang           0x00000000019a4767
llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) + 1943
    11 clang           0x00000000019a5cd9
llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) + 761
    12 clang           0x000000000208834f
llvm::FPPassManager::runOnFunction(llvm::Function&) + 655
    13 clang           0x000000000208881b
llvm::FPPassManager::runOnModule(llvm::Module&) + 43
    14 clang           0x0000000002088a9b
llvm::MPPassManager::runOnModule(llvm::Module&) + 603
    15 clang           0x0000000002088c7f
llvm::PassManagerImpl::run(llvm::Module&) + 223
    16 clang           0x0000000000940f34
clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOptions
const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::Module*,
clang::BackendAction, llvm::raw_ostream*) + 2196
    17 clang           0x000000000093ee9c
    18 clang           0x0000000000aa5f7b clang::ParseAST(clang::Sema&, bool,
bool) + 507
    19 clang           0x000000000093d4ec clang::CodeGenAction::ExecuteAction()
+ 60
    20 clang           0x00000000007cfcc9 clang::FrontendAction::Execute() +
249
    21 clang           0x00000000007b05d5
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 357
    22 clang           0x00000000007996a5
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1765
    23 clang           0x0000000000793c88 cc1_main(char const**, char const**,
char const*, void*) + 1208
    24 clang           0x00000000007757e8 main + 2152
    25 libc.so.6       0x00007faedef1a76d __libc_start_main + 237
    26 clang           0x0000000000792a2d
    Stack dump:
    0.    Program arguments: /usr/local/bin/clang -cc1 -triple
x86_64-unknown-linux-gnu -emit-obj -disable-free -main-file-name error.c
-mrelocation-model static -fmath-errno -masm-verbose -mconstructor-aliases
-munwind-tables -fuse-init-array -target-cpu x86-64 -target-linker-version
2.22.90.20120924 -momit-leaf-frame-pointer -resource-dir
/usr/local/bin/../lib/clang/3.4 -internal-isystem /usr/local/include
-internal-isystem /usr/local/bin/../lib/clang/3.4/include
-internal-externc-isystem /usr/include/x86_64-linux-gnu
-internal-externc-isystem /include -internal-externc-isystem /usr/include -O1
-fdebug-compilation-dir /home/hassy/random_test -ferror-limit 19
-fmessage-length 85 -mstackrealign -fobjc-runtime=gcc
-fobjc-default-synthesize-properties -fdiagnostics-show-option
-fcolor-diagnostics -backend-option -vectorize-loops -o /tmp/error-1Ki9Dc.o -x
c error.c 
    1.    <eof> parser at end of file
    2.    Code generation
    3.    Running pass 'Function Pass Manager' on module 'error.c'.
    4.    Running pass 'X86 DAG->DAG Instruction Selection' on function '@main'
    clang: error: unable to execute command: Aborted (core dumped)
    clang: error: clang frontend command failed due to signal (use -v to see
invocation)
    clang version 3.4 (http://llvm.org/git/clang.git
3923d6a87fe7b2c91cc4a7dbd90c4ec7e2316bcd) (http://llvm.org/git/llvm.git
363160a6be82df343fa60aa09d9d8f8f44605529)
    Target: x86_64-unknown-linux-gnu
    Thread model: posix
    clang: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
    clang: note: diagnostic msg: 
    ********************

    PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
    Preprocessed source(s) and associated run script(s) are located at:
    clang: note: diagnostic msg: /tmp/error-wevEDr.c
    clang: note: diagnostic msg: /tmp/error-wevEDr.sh
    clang: note: diagnostic msg: 

    ********************

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