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

[Sedat Dilek via llvm-dev]

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?

Regards,
- Sedat -