[PATCH] D54978: Move the SMT API to LLVM

Brian Rzycki via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Mon Feb 11 08:07:43 PST 2019


brzycki added a comment.

> @brzycki, I can't reproduce your error. Maybe you're missing `-DLLVM_ENABLE_Z3_SOLVER=OFF`?

Hello @mikhail.ramalho, here are my exact reproduction steps. I just verified them about 5 minutes ago.

  # Setup Ubuntu's Z3
  lsb_release -a
  No LSB modules are available.
  Distributor ID: Ubuntu
  Description:    Ubuntu 18.04.1 LTS
  Release:        18.04
  Codename:       bionic
  
  sudo apt install -y libz3-4 libz3-dev
  
  # Clone llvm-project and checkout the test SHA
  tmpd=$(mktemp -d)
  cd $tmpd
  git clone https://github.com/llvm/llvm-project.git
  git checkout b0a227049fda
  
  # Setup symlinks under llvm to compile correctly
  cd $tmpd/llvm-project/llvm
  ln -s ../../clang
  ln -s ../../polly
  ln -s ../../libcxx
  ln -s ../../libcxxabi
  
  # CMake and Ninja
  mkdir $tmpd/build
  cd $tmpd/build
  cmake -G Ninja -D LLVM_OPTIMIZED_TABLEGEN=ON -D LLVM_ENABLE_Z3_SOLVER=OFF ../llvm-project/llvm
  ninja -v

These steps produce the error:

  [70/187] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/Z3Solver.cpp.o
  FAILED: lib/Support/CMakeFiles/LLVMSupport.dir/Z3Solver.cpp.o
  /usr/bin/c++  -DGTEST_HAS_RTTI=0 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Ilib/Support -I/work/brzycki/llvm-project/llvm/lib/Support -I/usr/include/libxml2 -Iinclude -I/work/brzycki/llvm-project/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 -Wimplicit-fallthrough -Wno-maybe-uninitialized -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG    -fno-exceptions -fno-rtti -MD -MT lib/Support/CMakeFiles/LLVMSupport.dir/Z3Solver.cpp.o -MF lib/Support/CMakeFiles/LLVMSupport.dir/Z3Solver.cpp.o.d -o lib/Support/CMakeFiles/LLVMSupport.dir/Z3Solver.cpp.o -c /work/brzycki/llvm-project/llvm/lib/Support/Z3Solver.cpp
  /work/brzycki/llvm-project/llvm/lib/Support/Z3Solver.cpp: In function ‘void {anonymous}::Z3ErrorHandler(Z3_context, Z3_error_code)’:
  /work/brzycki/llvm-project/llvm/lib/Support/Z3Solver.cpp:44:71: error: cannot convert ‘Z3_context {aka _Z3_context*}’ to ‘Z3_error_code’ for argument ‘1’ to ‘const char* Z3_get_error_msg(Z3_error_code)’
                              llvm::Twine(Z3_get_error_msg(Context, Error)));
                                                                         ^

If I remove `-D LLVM_ENABLE_Z3_SOLVER=OFF` the actual TableGen CMake fails to succeed:

  cmake -G Ninja -D LLVM_OPTIMIZED_TABLEGEN=ON ../llvm-project/llvm
  ninja -v

And here's the TableGen CMake error:

  [218/3618] cd /work/brzycki/build/NATIVE && /sarc-c/compiler_tmp/tools/build/cmake-3.13.3/bin/cmake -G Ninja -DCMAKE_MAKE_PROGRAM="/sarc-c/compiler_tmp/tools/build/ninja-1.8.2/ninja" -DCMAKE_C_COMPILER=/usr/bin/cc -DCMAKE_CXX_COMPILER=/usr/bin/c++ /work/brzycki/llvm-project/llvm -DLLVM_TARGET_IS_CROSSCOMPILE_HOST=TRUE -DLLVM_TARGETS_TO_BUILD="AArch64;AMDGPU;ARM;BPF;Hexagon;Lanai;Mips;MSP430;NVPTX;PowerPC;Sparc;SystemZ;WebAssembly;X86;XCore" -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="" -DLLVM_DEFAULT_TARGET_TRIPLE="x86_64-unknown-linux-gnu" -DLLVM_TARGET_ARCH="host" -DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN="OFF" -DCMAKE_BUILD_TYPE=Release
  -- The C compiler identification is GNU 7.3.0
  -- The CXX compiler identification is GNU 7.3.0
  -- The ASM compiler identification is GNU
  -- Found assembler: /usr/bin/cc
  -- Check for working C compiler: /usr/bin/cc
  -- Check for working C compiler: /usr/bin/cc -- works
  -- Detecting C compiler ABI info
  -- Detecting C compiler ABI info - done
  -- Detecting C compile features
  -- Detecting C compile features - done
  -- Check for working CXX compiler: /usr/bin/c++
  -- Check for working CXX compiler: /usr/bin/c++ -- works
  -- Detecting CXX compiler ABI info
  -- Detecting CXX compiler ABI info - done
  -- Detecting CXX compile features
  -- Detecting CXX compile features - done
  -- Found Z3: /usr/lib/x86_64-linux-gnu/libz3.so (Required is at least version "4.7.1")
  -- Looking for dlfcn.h
  -- Looking for dlfcn.h - found
  -- Looking for errno.h
  -- Looking for errno.h - found
  -- Looking for fcntl.h
  -- Looking for fcntl.h - found
  -- Looking for link.h
  -- Looking for link.h - found
  -- Looking for malloc/malloc.h
  -- Looking for malloc/malloc.h - not found
  -- Looking for pthread.h
  -- Looking for pthread.h - found
  -- Looking for signal.h
  -- Looking for signal.h - found
  -- Looking for sys/ioctl.h
  -- Looking for sys/ioctl.h - found
  -- Looking for sys/mman.h
  -- Looking for sys/mman.h - found
  -- Looking for sys/param.h
  -- Looking for sys/param.h - found
  -- Looking for sys/resource.h
  -- Looking for sys/resource.h - found
  -- Looking for sys/stat.h
  -- Looking for sys/stat.h - found
  -- Looking for sys/time.h
  -- Looking for sys/time.h - found
  -- Looking for sys/types.h
  -- Looking for sys/types.h - found
  -- Looking for termios.h
  -- Looking for termios.h - found
  -- Looking for unistd.h
  -- Looking for unistd.h - found
  -- Looking for valgrind/valgrind.h
  -- Looking for valgrind/valgrind.h - found
  -- Looking for zlib.h
  -- Looking for zlib.h - found
  -- Looking for fenv.h
  -- Looking for fenv.h - found
  -- Looking for FE_ALL_EXCEPT
  -- Looking for FE_ALL_EXCEPT - found
  -- Looking for FE_INEXACT
  -- Looking for FE_INEXACT - found
  -- Looking for mach/mach.h
  -- Looking for mach/mach.h - not found
  -- Looking for histedit.h
  -- Looking for histedit.h - not found
  -- Looking for CrashReporterClient.h
  -- Looking for CrashReporterClient.h - not found
  -- Looking for linux/magic.h
  -- Looking for linux/magic.h - found
  -- Looking for pthread_create in pthread
  -- Looking for pthread_create in pthread - found
  -- Looking for pthread_getspecific in pthread
  -- Looking for pthread_getspecific in pthread - found
  -- Looking for pthread_rwlock_init in pthread
  -- Looking for pthread_rwlock_init in pthread - found
  -- Looking for pthread_mutex_lock in pthread
  -- Looking for pthread_mutex_lock in pthread - found
  -- Looking for dlopen in dl
  -- Looking for dlopen in dl - found
  -- Looking for clock_gettime in rt
  -- Looking for clock_gettime in rt - found
  -- Looking for pfm_initialize in pfm
  -- Looking for pfm_initialize in pfm - not found
  -- Looking for pthread.h
  -- Looking for pthread.h - found
  -- Looking for pthread_create
  -- Looking for pthread_create - not found
  -- Looking for pthread_create in pthreads
  -- Looking for pthread_create in pthreads - not found
  -- Looking for pthread_create in pthread
  -- Looking for pthread_create in pthread - found
  -- Found Threads: TRUE
  -- Looking for compress2 in z
  -- Looking for compress2 in z - found
  -- Looking for setupterm in terminfo
  -- Looking for setupterm in terminfo - not found
  -- Looking for setupterm in tinfo
  -- Looking for setupterm in tinfo - found
  -- Found LibXml2: /usr/lib/x86_64-linux-gnu/libxml2.so (found version "2.9.4")
  -- Looking for xar_open in xar
  -- Looking for xar_open in xar - not found
  -- Looking for arc4random
  -- Looking for arc4random - not found
  -- Looking for backtrace
  -- Looking for backtrace - found
  -- backtrace facility detected in default set of libraries
  -- Found Backtrace: /usr/include
  -- Performing Test C_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW
  -- Performing Test C_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW - Failed
  -- Looking for _Unwind_Backtrace
  -- Looking for _Unwind_Backtrace - found
  -- Looking for getpagesize
  -- Looking for getpagesize - found
  -- Looking for sysconf
  -- Looking for sysconf - found
  -- Looking for getrusage
  -- Looking for getrusage - found
  -- Looking for setrlimit
  -- Looking for setrlimit - found
  -- Looking for isatty
  -- Looking for isatty - found
  -- Looking for futimens
  -- Looking for futimens - found
  -- Looking for futimes
  -- Looking for futimes - found
  -- Looking for posix_fallocate
  -- Looking for posix_fallocate - found
  -- Looking for sigaltstack
  -- Looking for sigaltstack - found
  -- Looking for lseek64
  -- Looking for lseek64 - found
  -- Looking for mallctl
  -- Looking for mallctl - not found
  -- Looking for mallinfo
  -- Looking for mallinfo - found
  -- Looking for malloc_zone_statistics
  -- Looking for malloc_zone_statistics - not found
  -- Looking for getrlimit
  -- Looking for getrlimit - found
  -- Looking for posix_spawn
  -- Looking for posix_spawn - found
  -- Looking for pread
  -- Looking for pread - found
  -- Looking for realpath
  -- Looking for realpath - found
  -- Looking for sbrk
  -- Looking for sbrk - found
  -- Looking for strerror
  -- Looking for strerror - found
  -- Looking for strerror_r
  -- Looking for strerror_r - found
  -- Looking for strerror_s
  -- Looking for strerror_s - not found
  -- Looking for setenv
  -- Looking for setenv - found
  -- Looking for dlopen
  -- Looking for dlopen - found
  -- Looking for dladdr
  -- Looking for dladdr - not found
  -- Performing Test HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC
  -- Performing Test HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC - Failed
  -- Performing Test HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
  -- Performing Test HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC - Success
  -- Looking for __GLIBC__
  -- Looking for __GLIBC__ - found
  -- Looking for sched_getaffinity
  -- Looking for sched_getaffinity - found
  -- Looking for CPU_COUNT
  -- Looking for CPU_COUNT - found
  -- Looking for pthread_getname_np
  -- Looking for pthread_getname_np - found
  -- Looking for pthread_setname_np
  -- Looking for pthread_setname_np - found
  -- Performing Test HAVE_STD_IS_TRIVIALLY_COPYABLE
  -- Performing Test HAVE_STD_IS_TRIVIALLY_COPYABLE - Success
  -- Performing Test HAVE_CXX_ATOMICS_WITHOUT_LIB
  -- Performing Test HAVE_CXX_ATOMICS_WITHOUT_LIB - Success
  -- Performing Test HAVE_CXX_ATOMICS64_WITHOUT_LIB
  -- Performing Test HAVE_CXX_ATOMICS64_WITHOUT_LIB - Success
  -- Performing Test LLVM_HAS_ATOMICS
  -- Performing Test LLVM_HAS_ATOMICS - Success
  -- Performing Test SUPPORTS_VARIADIC_MACROS_FLAG
  -- Performing Test SUPPORTS_VARIADIC_MACROS_FLAG - Success
  -- Performing Test SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG
  -- Performing Test SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG - Failed
  -- Performing Test HAS_MAYBE_UNINITIALIZED
  -- Performing Test HAS_MAYBE_UNINITIALIZED - Success
  -- Native target architecture is X86
  -- Threads enabled.
  -- Doxygen disabled.
  -- Go bindings disabled.
  -- Could NOT find OCaml (missing: OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH)
  -- Could NOT find OCaml (missing: OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH)
  -- OCaml bindings disabled.
  -- Could NOT find Python module pygments
  -- Could NOT find Python module pygments.lexers.c_cpp
  -- Could NOT find Python module yaml
  -- LLVM host triple: x86_64-unknown-linux-gnu
  -- LLVM default target triple: x86_64-unknown-linux-gnu
  -- Performing Test C_SUPPORTS_FPIC
  -- Performing Test C_SUPPORTS_FPIC - Success
  -- Performing Test CXX_SUPPORTS_FPIC
  -- Performing Test CXX_SUPPORTS_FPIC - Success
  -- Building with -fPIC
  -- Performing Test SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG
  -- Performing Test SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG - Success
  -- Performing Test C_SUPPORTS_WERROR_DATE_TIME
  -- Performing Test C_SUPPORTS_WERROR_DATE_TIME - Success
  -- Performing Test CXX_SUPPORTS_WERROR_DATE_TIME
  -- Performing Test CXX_SUPPORTS_WERROR_DATE_TIME - Success
  -- Performing Test CXX_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW
  -- Performing Test CXX_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW - Failed
  -- Performing Test CXX_SUPPORTS_CXX11
  -- Performing Test CXX_SUPPORTS_CXX11 - Success
  -- Performing Test CXX_SUPPORTS_MISSING_FIELD_INITIALIZERS_FLAG
  -- Performing Test CXX_SUPPORTS_MISSING_FIELD_INITIALIZERS_FLAG - Success
  -- Performing Test C_SUPPORTS_IMPLICIT_FALLTHROUGH_FLAG
  -- Performing Test C_SUPPORTS_IMPLICIT_FALLTHROUGH_FLAG - Success
  -- Performing Test CXX_SUPPORTS_IMPLICIT_FALLTHROUGH_FLAG
  -- Performing Test CXX_SUPPORTS_IMPLICIT_FALLTHROUGH_FLAG - Success
  -- Performing Test C_SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG
  -- Performing Test C_SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG - Failed
  -- Performing Test CXX_SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG
  -- Performing Test CXX_SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG - Failed
  -- Performing Test CXX_SUPPORTS_CLASS_MEMACCESS_FLAG
  -- Performing Test CXX_SUPPORTS_CLASS_MEMACCESS_FLAG - Failed
  -- Performing Test CXX_SUPPORTS_NOEXCEPT_TYPE_FLAG
  -- Performing Test CXX_SUPPORTS_NOEXCEPT_TYPE_FLAG - Success
  -- Performing Test C_SUPPORTS_DELETE_NON_VIRTUAL_DTOR_FLAG
  -- Performing Test C_SUPPORTS_DELETE_NON_VIRTUAL_DTOR_FLAG - Failed
  -- Performing Test CXX_SUPPORTS_DELETE_NON_VIRTUAL_DTOR_FLAG
  -- Performing Test CXX_SUPPORTS_DELETE_NON_VIRTUAL_DTOR_FLAG - Success
  -- Performing Test C_WCOMMENT_ALLOWS_LINE_WRAP
  -- Performing Test C_WCOMMENT_ALLOWS_LINE_WRAP - Failed
  -- Performing Test C_SUPPORTS_STRING_CONVERSION_FLAG
  -- Performing Test C_SUPPORTS_STRING_CONVERSION_FLAG - Failed
  -- Performing Test CXX_SUPPORTS_STRING_CONVERSION_FLAG
  -- Performing Test CXX_SUPPORTS_STRING_CONVERSION_FLAG - Failed
  -- Performing Test LINKER_SUPPORTS_COLOR_DIAGNOSTICS
  -- Performing Test LINKER_SUPPORTS_COLOR_DIAGNOSTICS - Failed
  -- Performing Test C_SUPPORTS_FNO_FUNCTION_SECTIONS
  -- Performing Test C_SUPPORTS_FNO_FUNCTION_SECTIONS - Success
  -- Performing Test C_SUPPORTS_FFUNCTION_SECTIONS
  -- Performing Test C_SUPPORTS_FFUNCTION_SECTIONS - Success
  -- Performing Test CXX_SUPPORTS_FFUNCTION_SECTIONS
  -- Performing Test CXX_SUPPORTS_FFUNCTION_SECTIONS - Success
  -- Performing Test C_SUPPORTS_FDATA_SECTIONS
  -- Performing Test C_SUPPORTS_FDATA_SECTIONS - Success
  -- Performing Test CXX_SUPPORTS_FDATA_SECTIONS
  -- Performing Test CXX_SUPPORTS_FDATA_SECTIONS - Success
  -- Found PythonInterp: /usr/bin/python2.7 (found version "2.7.15")
  -- Constructing LLVMBuild project information
  -- Found Git: /usr/local/bin/git (found version "2.20.1")
  -- Linker detection: GNU ld
  -- Targeting AArch64
  -- Targeting AMDGPU
  -- Targeting ARM
  -- Targeting BPF
  -- Targeting Hexagon
  -- Targeting Lanai
  -- Targeting Mips
  -- Targeting MSP430
  -- Targeting NVPTX
  -- Targeting PowerPC
  -- Targeting Sparc
  -- Targeting SystemZ
  -- Targeting WebAssembly
  -- Targeting X86
  -- Targeting XCore
  -- ISL version: isl-0.20-65-gb822a210
  -- Performing Test HAS_ATTRIBUTE_WARN_UNUSED_RESULT
  -- Performing Test HAS_ATTRIBUTE_WARN_UNUSED_RESULT - Success
  -- Performing Test HAVE___ATTRIBUTE__
  -- Performing Test HAVE___ATTRIBUTE__ - Success
  -- Performing Test HAVE_DECL_FFS
  -- Performing Test HAVE_DECL_FFS - Success
  -- Performing Test HAVE_DECL___BUILTIN_FFS
  -- Performing Test HAVE_DECL___BUILTIN_FFS - Success
  -- Performing Test HAVE_DECL__BITSCANFORWARD
  -- Performing Test HAVE_DECL__BITSCANFORWARD - Failed
  -- Performing Test HAVE_DECL_STRCASECMP
  -- Performing Test HAVE_DECL_STRCASECMP - Success
  -- Performing Test HAVE_DECL__STRICMP
  -- Performing Test HAVE_DECL__STRICMP - Failed
  -- Performing Test HAVE_DECL_STRNCASECMP
  -- Performing Test HAVE_DECL_STRNCASECMP - Success
  -- Performing Test HAVE_DECL__STRNICMP
  -- Performing Test HAVE_DECL__STRNICMP - Failed
  -- Performing Test HAVE_DECL_SNPRINTF
  -- Performing Test HAVE_DECL_SNPRINTF - Success
  -- Performing Test HAVE_DECL__SNPRINTF
  -- Performing Test HAVE_DECL__SNPRINTF - Failed
  -- Performing Test HAVE_UINT8T
  -- Performing Test HAVE_UINT8T - Failed
  -- Performing Test HAVE_STDINT_H
  -- Performing Test HAVE_STDINT_H - Success
  -- Performing Test HAVE_INTTYPES_H
  -- Performing Test HAVE_INTTYPES_H - Success
  -- Performing Test HAVE_SYS_INTTYPES_H
  -- Performing Test HAVE_SYS_INTTYPES_H - Failed
  -- PPCG version: ppcg-0.07
  -- Looking for sys/resource.h
  -- Looking for sys/resource.h - found
  -- Clang version: 9.0.0
  -- Performing Test CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG
  -- Performing Test CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG - Failed
  -- Failed to find LLVM FileCheck
  -- git Version: v0.0.0
  -- Version: 0.0.0
  -- Performing Test HAVE_CXX_FLAG_STD_CXX11
  -- Performing Test HAVE_CXX_FLAG_STD_CXX11 - Success
  -- Performing Test HAVE_CXX_FLAG_WALL
  -- Performing Test HAVE_CXX_FLAG_WALL - Success
  -- Performing Test HAVE_CXX_FLAG_WEXTRA
  -- Performing Test HAVE_CXX_FLAG_WEXTRA - Success
  -- Performing Test HAVE_CXX_FLAG_WSHADOW
  -- Performing Test HAVE_CXX_FLAG_WSHADOW - Success
  -- Performing Test HAVE_CXX_FLAG_PEDANTIC
  -- Performing Test HAVE_CXX_FLAG_PEDANTIC - Success
  -- Performing Test HAVE_CXX_FLAG_PEDANTIC_ERRORS
  -- Performing Test HAVE_CXX_FLAG_PEDANTIC_ERRORS - Success
  -- Performing Test HAVE_CXX_FLAG_WSHORTEN_64_TO_32
  -- Performing Test HAVE_CXX_FLAG_WSHORTEN_64_TO_32 - Failed
  -- Performing Test HAVE_CXX_FLAG_WFLOAT_EQUAL
  -- Performing Test HAVE_CXX_FLAG_WFLOAT_EQUAL - Success
  -- Performing Test HAVE_CXX_FLAG_FSTRICT_ALIASING
  -- Performing Test HAVE_CXX_FLAG_FSTRICT_ALIASING - Success
  -- Performing Test HAVE_CXX_FLAG_FNO_EXCEPTIONS
  -- Performing Test HAVE_CXX_FLAG_FNO_EXCEPTIONS - Success
  -- Performing Test HAVE_CXX_FLAG_WSTRICT_ALIASING
  -- Performing Test HAVE_CXX_FLAG_WSTRICT_ALIASING - Success
  -- Performing Test HAVE_CXX_FLAG_WD654
  -- Performing Test HAVE_CXX_FLAG_WD654 - Failed
  -- Performing Test HAVE_CXX_FLAG_WTHREAD_SAFETY
  -- Performing Test HAVE_CXX_FLAG_WTHREAD_SAFETY - Failed
  -- Performing Test HAVE_CXX_FLAG_COVERAGE
  -- Performing Test HAVE_CXX_FLAG_COVERAGE - Success
  -- Performing Test HAVE_GNU_POSIX_REGEX
  -- Performing Test HAVE_GNU_POSIX_REGEX
  -- Performing Test HAVE_GNU_POSIX_REGEX -- failed to compile
  -- Performing Test HAVE_POSIX_REGEX
  -- Performing Test HAVE_POSIX_REGEX
  -- Performing Test HAVE_POSIX_REGEX -- success
  -- Performing Test HAVE_STEADY_CLOCK
  -- Performing Test HAVE_STEADY_CLOCK
  -- Performing Test HAVE_STEADY_CLOCK -- success
  -- Configuring done
  -- Generating done
  -- Build files have been written to: /work/brzycki/build/NATIVE
  ninja: build stopped: subcommand failed.


Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D54978/new/

https://reviews.llvm.org/D54978





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