[LLVMbugs] [Bug 19895] New: clang crash while building cfq-iosched.c

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=19895

            Bug ID: 19895
           Summary: clang crash while building cfq-iosched.c
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: viniciustinti at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Clang crashes on building the cfq-iosched from Linux. It crashes for generating
.o, .s and .ll.

0  clang-3.5       0x0000000000c6ba45 llvm::sys::PrintStackTrace(_IO_FILE*) +
37
1  clang-3.5       0x0000000000c6be93
2  libpthread.so.0 0x00002b33f1b43340
3  clang-3.5       0x0000000000ac7688
4  clang-3.5       0x0000000000acceae
5  clang-3.5       0x0000000000acd2be
6  clang-3.5       0x0000000000a735bb
llvm::FPPassManager::runOnFunction(llvm::Function&) + 315
7  clang-3.5       0x00000000015065b5
8  clang-3.5       0x0000000000a73beb
llvm::legacy::PassManagerImpl::run(llvm::Module&) + 859
9  clang-3.5       0x000000000110ed63
clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOptions
const&, clang::TargetOptions const&, clang::LangOptions const&,
llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::raw_ostream*) +
6995
10 clang-3.5       0x000000000110c6dc
11 clang-3.5       0x000000000152cbb3 clang::ParseAST(clang::Sema&, bool, bool)
+ 467
12 clang-3.5       0x000000000110b628 clang::CodeGenAction::ExecuteAction() +
72
13 clang-3.5       0x0000000000db6339 clang::FrontendAction::Execute() + 57
14 clang-3.5       0x0000000000d8c23d
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 813
15 clang-3.5       0x0000000000e1c093
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 3155
16 clang-3.5       0x0000000000643e8f cc1_main(char const**, char const**, char
const*, void*) + 575
17 clang-3.5       0x0000000000642976 main + 8422
18 libc.so.6       0x00002b33f27abec5 __libc_start_main + 245
19 clang-3.5       0x0000000000640787
Stack dump:
0.    Program arguments: (...)
1.    <eof> parser at end of file
2.    Per-module optimization passes
3.    Running pass 'CallGraph Pass Manager' on module
'/home/tinti/Works/LLVMLinux/llvmlinux/targets/panda/src/panda/block/cfq-iosched.c'.
4.    Running pass 'Combine redundant instructions' on function
'@cfq_init_cfqg_base'

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