[llvm-dev] darwin bootstrap failure
Don Hinton via llvm-dev
llvm-dev at lists.llvm.org
Sat Oct 14 13:37:21 PDT 2017
Yes, you tried your exact options (except for python etc...), but
LLVM_ENABLE_ASSERTIONS defaults to OFF for Release builds anyway.
In fact I tried every combinations I could think of. For some reason, it
looks like you have a release build that doesn't pass -DNDEBUG to clang++,
which I cannot explain.
On Sat, Oct 14, 2017 at 1:32 PM, Jack Howarth <
howarth.mailing.lists at gmail.com> wrote:
>
>
> On Sat, Oct 14, 2017 at 4:22 PM, Don Hinton <hintonda at gmail.com> wrote:
>
>> Hi Jack:
>>
>> The only way I could reproduce the problem you are seeing was to rerun
>> cmake with -DCMAKE_BUILD_TYPE=Debug in a build directory previously
>> configured with -DCMAKE_BUILD_TYPE=Release. I can fix that, but not sure
>> if it's what you are seeing.
>>
>> If this isn't your case, could you send me the actual commands you ran?
>>
>> In the meantime, you can add -DLLVM_FOURCE_ENABLE_DUMP=ON to your cmake
>> invocation which should guarantee LLVM_ENABLE_DUMP is defined.
>>
>> hth...
>> don
>>
>>
> Don,
> Did you try a build with -DLLVM_ENABLE_ASSERTIONS:BOOL=
> OFF -DCMAKE_BUILD_TYPE:STRING=Release?
> Jack
>
> On Sat, Oct 14, 2017 at 9:36 AM, Jack Howarth <
>> howarth.mailing.lists at gmail.com> wrote:
>>
>>>
>>>
>>> On Sat, Oct 14, 2017 at 11:38 AM, Don Hinton <hintonda at gmail.com> wrote:
>>>
>>>> Sorry, LLVM_FORCE_ENABLE_DUMP is the variable, which is used along
>>>> with LLVM_ENABLE_ASSERTIONS to set LLVM_ENABLE_DUMP.
>>>>
>>>> Again, I'm working on a fix, but could you also provide your cmake
>>>> command? Looks like we aren't handling your use case correctly.
>>>>
>>>> thanks..
>>>> don
>>>>
>>>
>>> % grep -R LLVM_FORCE_ENABLE_DUMP *
>>> CMakeCache.txt:LLVM_FORCE_ENABLE_DUMP:BOOL=OFF
>>> CMakeCache.txt.orig:LLVM_FORCE_ENABLE_DUMP:BOOL=OFF
>>> include/llvm/Config/llvm-config.h:/* Defined in debug builds and
>>> release builds if LLVM_FORCE_ENABLE_DUMP
>>>
>>> is what I see from a cmake options of...
>>>
>>> -DLLVM_LINK_LLVM_DYLIB:BOOL=ON -DCOMPILER_RT_ENABLE_IOS:BOOL=OFF
>>> -DLLVM_ENABLE_FFI=ON -DFFI_INCLUDE_DIR=/sw/include
>>> -DFFI_LIBRARY_DIR=/sw/lib -DLLVM_LIT_ARGS:STRING=-v
>>> -DPYTHON_EXECUTABLE:FILEPATH=/sw/bin/python2.7
>>> -DLIBOMP_OSX_ARCHITECTURES=x86_64;i386 -DLLVM_ENABLE_ASSERTIONS:BOOL=OFF
>>> -DCMAKE_OSX_SYSROOT:STRING=/ -DCMAKE_OSX_DEPLOYMENT_TARGET:STRING=
>>> -DLLVM_TARGETS_TO_BUILD=X86;PowerPC;ARM -DCMAKE_INSTALL_PREFIX:PATH=/sw/opt/llvm-6.0
>>> -DCMAKE_BUILD_TYPE:STRING=Release -DCMAKE_C_FLAGS=-fno-common
>>> -DLLVM_BUILD_EXTERNAL_COMPILER_RT:BOOL=ON -DCMAKE_CXX_FLAGS=-fno-common
>>> -DCMAKE_SHARED_LINKER_FLAGS= -L/sw/lib -DCMAKE_MODULE_LINKER_FLAGS=
>>> -L/sw/lib -DCMAKE_EXE_LINKER_FLAGS= -L/sw/lib
>>>
>>>
>>>> On Sat, Oct 14, 2017 at 8:32 AM, Jack Howarth <
>>>> howarth.mailing.lists at gmail.com> wrote:
>>>>
>>>>>
>>>>>
>>>>> On Sat, Oct 14, 2017 at 11:25 AM, Don Hinton <hintonda at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hi Jack:
>>>>>>
>>>>>> Yes, I was just looking at that. Seems like TableGen wasn't done
>>>>>> along with the rest of llvm. I'll work up a complete patch shortly.
>>>>>>
>>>>>> Btw, I'm curious how this happened. Do you have a stale
>>>>>> CMakeCache.txt by any chance? You might check the value for
>>>>>> LLVM_ENABLE_DUMP and see if it's consistent.
>>>>>>
>>>>>> Again, I'll gen up a complete patch shortly -- sorry for delay, had
>>>>>> to walk my dog first...
>>>>>>
>>>>>> thanks...
>>>>>> don
>>>>>>
>>>>>
>>>>> There are no instances of LLVM_ENABLE_DUMP being emitted during the
>>>>> stage1 build (which is where the failure occurs). Greping for LLVM_ENABLE_DUMP
>>>>> in the stage1 build directory only shows...
>>>>>
>>>>> % grep -R LLVM_ENABLE_DUMP *
>>>>>
>>>>> include/llvm/Config/llvm-config.h:/* #undef LLVM_ENABLE_DUMP */
>>>>>
>>>>> Binary file utils/TableGen/CMakeFiles/obj.
>>>>> llvm-tblgen.dir/SubtargetEmitter.cpp.o matches
>>>>>
>>>>> Jack
>>>>> ps A more general grep for DUMP in CMakeCacne.txt shows...
>>>>>
>>>>> % grep DUMP CMakeCache.txt
>>>>> CMAKE_OBJDUMP:FILEPATH=/usr/bin/objdump
>>>>> LLVM_FORCE_ENABLE_DUMP:BOOL=OFF
>>>>> LLVM_TOOL_LLVM_CXXDUMP_BUILD:BOOL=ON
>>>>> LLVM_TOOL_LLVM_DWARFDUMP_BUILD:BOOL=ON
>>>>> LLVM_TOOL_LLVM_OBJDUMP_BUILD:BOOL=ON
>>>>> //ADVANCED property for variable: CMAKE_OBJDUMP
>>>>> CMAKE_OBJDUMP-ADVANCED:INTERNAL=1
>>>>> //ADVANCED property for variable: LLVM_TOOL_LLVM_CXXDUMP_BUILD
>>>>> LLVM_TOOL_LLVM_CXXDUMP_BUILD-ADVANCED:INTERNAL=1
>>>>> //ADVANCED property for variable: LLVM_TOOL_LLVM_DWARFDUMP_BUILD
>>>>> LLVM_TOOL_LLVM_DWARFDUMP_BUILD-ADVANCED:INTERNAL=1
>>>>> //ADVANCED property for variable: LLVM_TOOL_LLVM_OBJDUMP_BUILD
>>>>> LLVM_TOOL_LLVM_OBJDUMP_BUILD-ADVANCED:INTERNAL=1
>>>>>
>>>>>
>>>>>> On Sat, Oct 14, 2017 at 8:06 AM, Jack Howarth <
>>>>>> howarth.mailing.lists at gmail.com> wrote:
>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Sat, Oct 14, 2017 at 10:25 AM, Don Hinton <hintonda at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hi Jack:
>>>>>>>>
>>>>>>>> Looks like I missed this one in my recent change.
>>>>>>>>
>>>>>>>> Please let me know if this solves your problem:
>>>>>>>>
>>>>>>>> $ git diff
>>>>>>>> diff --git a/utils/TableGen/InfoByHwMode.cpp
>>>>>>>> b/utils/TableGen/InfoByHwMode.cpp
>>>>>>>> index 7e1e1864356..8d3636432aa 100644
>>>>>>>> --- a/utils/TableGen/InfoByHwMode.cpp
>>>>>>>> +++ b/utils/TableGen/InfoByHwMode.cpp
>>>>>>>> @@ -98,14 +98,16 @@ void ValueTypeByHwMode::writeToStream(raw_ostream
>>>>>>>> &OS) const {
>>>>>>>> OS << '}';
>>>>>>>> }
>>>>>>>>
>>>>>>>> +#ifdef LLVM_ENABLE_DUMP
>>>>>>>> LLVM_DUMP_METHOD
>>>>>>>> void ValueTypeByHwMode::dump() const {
>>>>>>>> dbgs() << *this << '\n';
>>>>>>>> }
>>>>>>>> +#endif
>>>>>>>>
>>>>>>>> ValueTypeByHwMode llvm::getValueTypeByHwMode(Record *Rec,
>>>>>>>> const CodeGenHwModes
>>>>>>>> &CGH) {
>>>>>>>> -#ifndef NDEBUG
>>>>>>>> +#ifdef LLVM_ENABLE_DUMP
>>>>>>>> if (!Rec->isSubClassOf("ValueType"))
>>>>>>>> Rec->dump();
>>>>>>>> #endif
>>>>>>>>
>>>>>>>>
>>>>>>>> thanks...
>>>>>>>> don
>>>>>>>>
>>>>>>>>
>>>>>>> The patch seems to be incomplete as it moves the failure to...
>>>>>>>
>>>>>>> [ 6%] Linking CXX executable ../../bin/llvm-tblgen
>>>>>>> cd /sw/src/fink.build/llvm60-6.0.0-1/build/stage1/utils/TableGen &&
>>>>>>> /sw/bin/cmake -E cmake_link_script CMakeFiles/llvm-tblgen.dir/link.txt
>>>>>>> --verbose=1
>>>>>>> /sw/src/fink.build/llvm60-6.0.0-1/opt-bin/ccclang++ -fno-common
>>>>>>> -fPIC -fvisibility-inlines-hidden -Werror=date-time
>>>>>>> -Werror=unguarded-availability-new -std=c++11 -Wall -W
>>>>>>> -Wno-unused-parameter -Wwrite-strings -Wcast-qual
>>>>>>> -Wmissing-field-initializers -pedantic -Wno-long-long
>>>>>>> -Wcovered-switch-default -Wnon-virtual-dtor -Wdelete-non-virtual-dtor
>>>>>>> -Wstring-conversion -O3 -Wl,-search_paths_first
>>>>>>> -Wl,-headerpad_max_install_names -L/sw/lib -Wl,-dead_strip
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/AsmMatcherEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/AsmWriterEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/AsmWriterInst.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/Attributes.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CallingConvEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeEmitterGen.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeGenDAGPatterns.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeGenHwModes.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeGenInstruction.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeGenMapTable.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeGenRegisters.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeGenSchedule.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeGenTarget.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/DAGISelEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/DAGISelMatcherEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/DAGISelMatcherGen.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/DAGISelMatcherOpt.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/DAGISelMatcher.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/DFAPacketizerEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/DisassemblerEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/FastISelEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/FixedLenDecoderEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/GlobalISelEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/InfoByHwMode.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/InstrInfoEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/IntrinsicEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/OptParserEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/PseudoLoweringEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/RegisterBankEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/RegisterInfoEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/SearchableTableEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/SubtargetEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/SubtargetFeatureInfo.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/TableGen.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/Types.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/X86DisassemblerTables.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/X86EVEX2VEXTablesEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/X86FoldTablesEmitter.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/X86ModRMFilters.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/X86RecognizableInstr.cpp.o
>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CTagsEmitter.cpp.o -o
>>>>>>> ../../bin/llvm-tblgen -Wl,-rpath, at loader_path/../lib
>>>>>>> ../../lib/libLLVMSupport.a ../../lib/libLLVMTableGen.a
>>>>>>> ../../lib/libLLVMSupport.a -lcurses -lz -lm ../../lib/libLLVMDemangle.a
>>>>>>> Undefined symbols for architecture x86_64:
>>>>>>> "llvm::SubtargetFeatureInfo::dump() const", referenced from:
>>>>>>> (anonymous namespace)::AsmMatcherInfo::buildInfo() in
>>>>>>> AsmMatcherEmitter.cpp.o
>>>>>>> "(anonymous namespace)::MatchableInfo::dump() const", referenced
>>>>>>> from:
>>>>>>> (anonymous namespace)::AsmMatcherEmitter::run(llvm::raw_ostream&)
>>>>>>> in AsmMatcherEmitter.cpp.o
>>>>>>> ld: symbol(s) not found for architecture x86_64
>>>>>>> clang: error: linker command failed with exit code 1 (use -v to see
>>>>>>> invocation)
>>>>>>> make[2]: *** [bin/llvm-tblgen] Error 1
>>>>>>> make[1]: *** [utils/TableGen/CMakeFiles/llvm-tblgen.dir/all] Error 2
>>>>>>> make: *** [all] Error 2
>>>>>>>
>>>>>>> Jack
>>>>>>>
>>>>>>>
>>>>>>>>
>>>>>>>> On Sat, Oct 14, 2017 at 6:06 AM, Jack Howarth via llvm-dev <
>>>>>>>> llvm-dev at lists.llvm.org> wrote:
>>>>>>>>
>>>>>>>>> Is anyone else seeing this bootstrap failure on current svn trunk?
>>>>>>>>>
>>>>>>>>> [ 6%] Linking CXX executable ../../bin/llvm-tblgen
>>>>>>>>> cd /sw/src/fink.build/llvm60-6.0.0-1/build/stage1/utils/TableGen
>>>>>>>>> && /sw/bin/cmake -E cmake_link_script CMakeFiles/llvm-tblgen.dir/link.txt
>>>>>>>>> --verbose=1
>>>>>>>>> /sw/src/fink.build/llvm60-6.0.0-1/opt-bin/ccclang++ -fno-common
>>>>>>>>> -fPIC -fvisibility-inlines-hidden -Werror=date-time
>>>>>>>>> -Werror=unguarded-availability-new -std=c++11 -Wall -W
>>>>>>>>> -Wno-unused-parameter -Wwrite-strings -Wcast-qual
>>>>>>>>> -Wmissing-field-initializers -pedantic -Wno-long-long
>>>>>>>>> -Wcovered-switch-default -Wnon-virtual-dtor -Wdelete-non-virtual-dtor
>>>>>>>>> -Wstring-conversion -O3 -Wl,-search_paths_first
>>>>>>>>> -Wl,-headerpad_max_install_names -L/sw/lib -Wl,-dead_strip
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/AsmMatcherEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/AsmWriterEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/AsmWriterInst.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/Attributes.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CallingConvEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeEmitterGen.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeGenDAGPatterns.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeGenHwModes.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeGenInstruction.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeGenMapTable.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeGenRegisters.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeGenSchedule.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CodeGenTarget.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/DAGISelEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/DAGISelMatcherEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/DAGISelMatcherGen.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/DAGISelMatcherOpt.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/DAGISelMatcher.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/DFAPacketizerEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/DisassemblerEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/FastISelEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/FixedLenDecoderEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/GlobalISelEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/InfoByHwMode.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/InstrInfoEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/IntrinsicEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/OptParserEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/PseudoLoweringEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/RegisterBankEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/RegisterInfoEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/SearchableTableEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/SubtargetEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/SubtargetFeatureInfo.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/TableGen.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/Types.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/X86DisassemblerTables.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/X86EVEX2VEXTablesEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/X86FoldTablesEmitter.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/X86ModRMFilters.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/X86RecognizableInstr.cpp.o
>>>>>>>>> CMakeFiles/obj.llvm-tblgen.dir/CTagsEmitter.cpp.o -o
>>>>>>>>> ../../bin/llvm-tblgen -Wl,-rpath, at loader_path/../lib
>>>>>>>>> ../../lib/libLLVMSupport.a ../../lib/libLLVMTableGen.a
>>>>>>>>> ../../lib/libLLVMSupport.a -lcurses -lz -lm ../../lib/libLLVMDemangle.a
>>>>>>>>> Undefined symbols for architecture x86_64:
>>>>>>>>> "llvm::Record::dump() const", referenced from:
>>>>>>>>> llvm::getValueTypeByHwMode(llvm::Record*,
>>>>>>>>> llvm::CodeGenHwModes const&) in InfoByHwMode.cpp.o
>>>>>>>>> "llvm::SubtargetFeatureInfo::dump() const", referenced from:
>>>>>>>>> (anonymous namespace)::AsmMatcherInfo::buildInfo() in
>>>>>>>>> AsmMatcherEmitter.cpp.o
>>>>>>>>> "(anonymous namespace)::MatchableInfo::dump() const",
>>>>>>>>> referenced from:
>>>>>>>>> (anonymous namespace)::AsmMatcherEmitter::run(llvm::raw_ostream&)
>>>>>>>>> in AsmMatcherEmitter.cpp.o
>>>>>>>>> ld: symbol(s) not found for architecture x86_64
>>>>>>>>> clang: error: linker command failed with exit code 1 (use -v to
>>>>>>>>> see invocation)
>>>>>>>>> make[2]: *** [bin/llvm-tblgen] Error 1
>>>>>>>>> make[1]: *** [utils/TableGen/CMakeFiles/llvm-tblgen.dir/all]
>>>>>>>>> Error 2
>>>>>>>>> make: *** [all] Error 2
>>>>>>>>>
>>>>>>>>> This is on x86_64-apple-darwin16 with Xcode 9.0.
>>>>>>>>> Jack
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> LLVM Developers mailing list
>>>>>>>>> llvm-dev at lists.llvm.org
>>>>>>>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
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