[llvm-bugs] [Bug 24472] New: 3.6.2: 35 AAarch64 tests are failing

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=24472

            Bug ID: 24472
           Summary: 3.6.2: 35 AAarch64 tests are failing
           Product: clang
           Version: 3.6
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: sylvestre at debian.org
                CC: dgregor at apple.com, llvm-bugs at lists.llvm.org
    Classification: Unclassified

Probably caused by the recent changes of libstdc++ in Debian, a bunch of
AAarch64 are failing under Debian x86_64.

They all looks the same

                     -- Testing: 12318 tests, 5 threads --                     
FAIL: LLVM :: CodeGen/AArch64/aarch64_f16_be.ll (630 of 12318)
******************** TEST 'LLVM :: CodeGen/AArch64/aarch64_f16_be.ll' FAILED
********************
Script:
--
/root/llvm-toolchain-3.6-3.6.2/build-llvm/Release/bin/llc
-mtriple=aarch64-linux-gnuabi -O0 <
/root/llvm-toolchain-3.6-3.6.2/test/CodeGen/AArch64/aarch64_f16_be.ll |
/root/llvm-toolchain-3.6-3.6.2/build-llvm/Release/bin/FileCheck
/root/llvm-toolchain-3.6-3.6.2/test/CodeGen/AArch64/aarch64_f16_be.ll
/root/llvm-toolchain-3.6-3.6.2/build-llvm/Release/bin/llc
-mtriple=aarch64_be-linux-gnuabi -O0 <
/root/llvm-toolchain-3.6-3.6.2/test/CodeGen/AArch64/aarch64_f16_be.ll |
/root/llvm-toolchain-3.6-3.6.2/build-llvm/Release/bin/FileCheck
/root/llvm-toolchain-3.6-3.6.2/test/CodeGen/AArch64/aarch64_f16_be.ll
--check-prefix=CHECK-BE
--
Exit Code: 2

Command Output (stderr):
--
FileCheck error: '-' is empty.

--

[...]

********************
Failing Tests (35):
    LLVM :: CodeGen/AArch64/aarch64_f16_be.ll
    LLVM :: CodeGen/AArch64/and-mask-removal.ll
    LLVM :: CodeGen/AArch64/arm64-2012-06-06-FPToUI.ll
    LLVM :: CodeGen/AArch64/arm64-abi.ll
    LLVM :: CodeGen/AArch64/arm64-abi_align.ll
    LLVM :: CodeGen/AArch64/arm64-anyregcc-crash.ll
    LLVM :: CodeGen/AArch64/arm64-anyregcc.ll
    LLVM :: CodeGen/AArch64/arm64-big-endian-bitconverts.ll
    LLVM :: CodeGen/AArch64/arm64-big-endian-vector-caller.ll
    LLVM :: CodeGen/AArch64/arm64-elf-globals.ll
    LLVM :: CodeGen/AArch64/arm64-fast-isel-call.ll
    LLVM :: CodeGen/AArch64/arm64-fast-isel-fcmp.ll
    LLVM :: CodeGen/AArch64/arm64-fast-isel-indirectbr.ll
    LLVM :: CodeGen/AArch64/arm64-fast-isel-noconvert.ll
    LLVM :: CodeGen/AArch64/arm64-fastisel-gep-promote-before-add.ll
    LLVM :: CodeGen/AArch64/arm64-fp128.ll
    LLVM :: CodeGen/AArch64/arm64-illegal-float-ops.ll
    LLVM :: CodeGen/AArch64/arm64-neon-mul-div.ll
    LLVM :: CodeGen/AArch64/arm64-neon-vector-list-spill.ll
    LLVM :: CodeGen/AArch64/arm64-platform-reg.ll
    LLVM :: CodeGen/AArch64/arm64-spill.ll
    LLVM :: CodeGen/AArch64/arm64-stackmap.ll
    LLVM :: CodeGen/AArch64/arm64-stacksave.ll
    LLVM :: CodeGen/AArch64/arm64-vcvt_f.ll
    LLVM :: CodeGen/AArch64/arm64-vfloatintrinsics.ll
    LLVM :: CodeGen/AArch64/fast-isel-folding.ll
    LLVM :: CodeGen/AArch64/illegal-float-ops.ll
    LLVM :: CodeGen/AArch64/ldst-opt.ll
    LLVM :: CodeGen/AArch64/machine-copy-prop.ll
    LLVM :: CodeGen/AArch64/neon-fpround_f128.ll
    LLVM :: CodeGen/AArch64/ragreedy-csr.ll
    LLVM :: CodeGen/AArch64/regress-tail-livereg.ll
    LLVM :: CodeGen/AArch64/sincos-expansion.ll
    LLVM :: CodeGen/AArch64/sincospow-vector-expansion.ll
    LLVM :: DebugInfo/AArch64/cfi-eof-prologue.ll


Executing a command by hands return:
# /root/llvm-toolchain-3.6-3.6.2/build-llvm/Release/bin/llc
-mtriple=aarch64-linux-gnu -mcpu=cortex-a57 -verify-machineinstrs <
/root/llvm-toolchain-3.6-3.6.2/test/CodeGen/AArch64/machine-copy-prop.ll |
/root/llvm-toolchain-3.6-3.6.2/build-llvm/Release/bin/FileCheck
/root/llvm-toolchain-3.6-3.6.2/test/CodeGen/AArch64/machine-copy-prop.ll
0  libLLVM-3.6.so.1 0x00007f5aa7c7bb02 llvm::sys::PrintStackTrace(_IO_FILE*) +
34
1  libLLVM-3.6.so.1 0x00007f5aa7c7a309
2  libpthread.so.0  0x00007f5aa695f8d0
3  libLLVM-3.6.so.1 0x00007f5aa7a09a17
llvm::MachineInstr::addMemOperand(llvm::MachineFunction&,
llvm::MachineMemOperand*) + 23
4  libLLVM-3.6.so.1 0x00007f5aa818f08a
llvm::AArch64InstrInfo::storeRegToStackSlot(llvm::MachineBasicBlock&,
llvm::MachineBasicBlock::bundle_iterator<llvm::MachineInstr,
llvm::ilist_iterator<llvm::MachineInstr> >, unsigned int, bool, int,
llvm::TargetRegisterClass const*, llvm::TargetRegisterInfo const*) const + 762
5  libLLVM-3.6.so.1 0x00007f5aa798ea98
6  libLLVM-3.6.so.1 0x00007f5aa79929a0
7  libLLVM-3.6.so.1 0x00007f5aa7a820a3
8  libLLVM-3.6.so.1 0x00007f5aa7a85c78
9  libLLVM-3.6.so.1 0x00007f5aa7a74856 llvm::RegAllocBase::allocatePhysRegs() +
182
10 libLLVM-3.6.so.1 0x00007f5aa7a867a9
11 libLLVM-3.6.so.1 0x00007f5aa73a8b87
llvm::FPPassManager::runOnFunction(llvm::Function&) + 471
12 libLLVM-3.6.so.1 0x00007f5aa73a8ddb
llvm::FPPassManager::runOnModule(llvm::Module&) + 43
13 libLLVM-3.6.so.1 0x00007f5aa73a8814
llvm::legacy::PassManagerImpl::run(llvm::Module&) + 756
14 llc              0x00000000004134d5
15 llc              0x000000000040d610 main + 368
16 libc.so.6        0x00007f5aa54c4b45 __libc_start_main + 245
17 llc              0x000000000040d669
Stack dump:
0.    Program arguments:
/root/llvm-toolchain-3.6-3.6.2/build-llvm/Release/bin/llc
-mtriple=aarch64-linux-gnu -mcpu=cortex-a57 -verify-machineinstrs 
1.    Running pass 'Function Pass Manager' on module '<stdin>'.
2.    Running pass 'Greedy Register Allocator' on function '@foo'
FileCheck error: '-' is empty.

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