[llvm-dev] LLVM/Clang version 7.0.0rc2 fails with gcc (Debian 8.2.0-4)

[Sedat Dilek via llvm-dev]

On Wed, Aug 29, 2018 at 7:51 AM, Matthias Klose <doko at debian.org> wrote:
> On 28.08.2018 13:55, Sedat Dilek wrote:
>> On Tue, Aug 28, 2018 at 10:59 AM, Hans Wennborg <hans at chromium.org> wrote:
>>> On Tue, Aug 28, 2018 at 10:26 AM, Sedat Dilek via llvm-dev
>>> <llvm-dev at lists.llvm.org> wrote:
>>>> On Mon, Aug 27, 2018 at 6:09 PM, Sedat Dilek <sedat.dilek at gmail.com> wrote:
>>>>> Hi,
>>>>>
>>>>> I have not sent yet any bug-reports to llvm-dev but I am seeing this
>>>>> build-failure:
>>>>>
>>>>> ...
>>>>> [574/3685] Building CXX object
>>>>> lib/Bitcode/Reader/CMakeFiles/LLVMBitReader.dir/MetadataLoader.cpp.o
>>>>> FAILED: lib/Bitcode/Reader/CMakeFiles/LLVMBitReader.dir/MetadataLoader.cpp.o
>>>>> /usr/bin/g++-8  -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GNU_SOURCE
>>>>> -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
>>>>> -Ilib/Bitcode/Reader
>>>>> -I/home/sdi/src/llvm-toolchain/llvm/lib/Bitcode/Reader -Iinclude
>>>>> -I/home/sdi/src/llvm-toolchain/llvm/include -fPIC
>>>>> -fvisibility-inlines-hidden -Werror=date-time -std=c++11 -Wall -Wextra
>>>>> -Wno-unused-parameter -Wwrite-strings -Wcast-qual
>>>>> -Wno-missing-field-initializers -pedantic -Wno-long-long
>>>>> -Wno-maybe-uninitialized -Wno-class-memaccess
>>>>> -Wdelete-non-virtual-dtor -Wno-comment -fdiagnostics-color
>>>>> -ffunction-sections -fdata-sections -O3    -UNDEBUG  -fno-exceptions
>>>>> -fno-rtti -MD -MT
>>>>> lib/Bitcode/Reader/CMakeFiles/LLVMBitReader.dir/MetadataLoader.cpp.o
>>>>> -MF lib/Bitcode/Reader/CMakeFiles/LLVMBitReader.dir/MetadataLoader.cpp.o.d
>>>>> -o lib/Bitcode/Reader/CMakeFiles/LLVMBitReader.dir/MetadataLoader.cpp.o
>>>>> -c /home/sdi/src/llvm-toolchain/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
>>>>> /home/sdi/src/llvm-toolchain/llvm/lib/Bitcode/Reader/MetadataLoader.cpp:
>>>>> In member function 'llvm::Error
>>>>> llvm::MetadataLoader::MetadataLoaderImpl::parseOneMetadata(llvm::SmallVectorImpl<long
>>>>> unsigned int>&, unsigned int,
>>>>> {anonymous}::{anonymous}::PlaceholderQueue&, llvm::StringRef, unsigned
>>>>> int&)':
>>>>> /home/sdi/src/llvm-toolchain/llvm/lib/Bitcode/Reader/MetadataLoader.cpp:1771:1:
>>>>> internal compiler error: Segmentation fault
>>>>>  }
>>>>>  ^
>>>>> Please submit a full bug report,
>>>>> with preprocessed source if appropriate.
>>>>> See <file:///usr/share/doc/gcc-8/README.Bugs> for instructions.
>>>>>
>>>>> root at inizai# gcc --version
>>>>> gcc (Debian 8.2.0-4) 8.2.0
>>>>> Copyright (C) 2018 Free Software Foundation, Inc.
>>>>> This is free software; see the source for copying conditions.  There is NO
>>>>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>>>>>
>>>>> Is that a known issue?
>>>>> Any workoround or fix available?
>>>>>
>>>>
>>>> Building with my selfmade llvm-toolchain was successful.
>>>> So this seems to be a GCC bug.
>>>
>>> I tried building the 7.0.0 branch with a vanilla gcc 8.2.0 build, but
>>> I couldn't reproduce the error.
>>>
>>> Have you reported the bug to the gcc bugzilla?
>>>
>>> Even if it's not an LLVM bug, it would be unfortunate if the release
>>> doesn't build with Debian's gcc, so it would be good to get to the
>>> bottom of this.
>>>
>>
>> [ CC debian-gcc and Matthias Klose ]
>>
>> My last GCC bug report is a while ago.
>> Maybe this is a known issue in the Debian world.
>>
>> Adding my scripts for the sake of completeness.
>
> Debian's GCC is built from the gcc-8-branch. See gcc -v how it is configured.
> You didn't tell how you configured your GCC build.  Please provide the
> preprocessed source and the command line options used for the build.
>

Hi Matthias,

not sure if I understand this correctly, I am using the GCC from
Debian/buster not a selfmade one.

root at iniza# gcc-8 -v
Using built-in specs.
COLLECT_GCC=gcc-8
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/8/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian
8.2.0-4' --with-bugurl=file:///usr/share/doc/gcc-8/README.Bugs
--enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++
--prefix=/usr --with-gcc-major-version-only --program-suffix=-8
--program-prefix=x86_64-linux-gnu- --enable-shared
--enable-linker-build-id --libexecdir=/usr/lib
--without-included-gettext --enable-threads=posix --libdir=/usr/lib
--enable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes
--with-default-libstdcxx-abi=new --enable-gnu-unique-object
--disable-vtable-verify --enable-libmpx --enable-plugin
--enable-default-pie --with-system-zlib --with-target-system-zlib
--enable-objc-gc=auto --enable-multiarch --disable-werror
--with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32
--enable-multilib --with-tune=generic
--enable-offload-targets=nvptx-none --without-cuda-driver
--enable-checking=release --build=x86_64-linux-gnu
--host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 8.2.0 (Debian 8.2.0-4)

I have to check how to get the full cmake line(s) and the preprocessed
source file.

Thanks.

Regards,
- Sedat -