message: [CMake] Link against host swiftReflection instead of target swiftReflection
  The existing logic links against the target library and not the host library,
  but LLDB is expected to run on the host and not the target, so we should be
  linking against the host library.
diff: include_directories(../Plugins/Process/Utility)
  -set(REFLECTION_LIB "swiftReflection")
  -
  -if(CMAKE_SYSTEM_NAME MATCHES "Linux")
  - # CMAKE_SYSTEM_PROCESSOR is equivalent to `uname -p` on Linux.
  - if("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86_64")
  - set(ARCH "x86_64")
  - elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "aarch64")
  - set(ARCH "aarch64")
  - elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "ppc64")
  - set(ARCH "powerpc64")
  - elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "ppc64le")
  - set(ARCH "powerpc64le")
  - elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "s390x")
  - set(ARCH "s390x")
  - # FIXME: Only matches v6l/v7l - by far the most common variants
  - elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "armv6l")
  - set(ARCH "armv6")
  - elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "armv7l")
  - set(ARCH "armv7")
  - elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "AMD64")
  - set(ARCH "x86_64")
  - elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "IA64")
  - set(ARCH "itanium")
  - elseif("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "(x86|i686)")
  - set(ARCH "i686")
  - else()
  - message(FATAL_ERROR "Unrecognized architecture on host system: ${CMAKE_SYSTEM_PROCESSOR}")
  - endif()
  -
  - set(REFLECTION_LIB "swiftReflection-linux-${ARCH}")
  -endif()
  -
  -if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
  - # libswiftReflection is placed in a subdirectory which depends
  - # on the host we're currently running on.
  - # FIXME: There must be a better way to get at libswiftReflection.a
  - string(REPLACE "-" ";" TRIPLE_LIST "${LLVM_HOST_TRIPLE}")
  - list(GET TRIPLE_LIST 0 ARCH)
  - list(GET TRIPLE_LIST 2 HOST_OS_VERSION)
  - string(REGEX MATCHALL "[a-z]+" HOST_OS "${HOST_OS_VERSION}")
  - set(REFLECTION_LIB "${REFLECTION_LIB}-${HOST_OS}-${ARCH}")
  - message("Building for non-linux host, setting reflection lib to ${REFLECTION_LIB}")
  -endif()
  -
  -
  add_lldb_library(lldbTarget
  ABI.cpp
  CPPLanguageRuntime.cpp
  @@ -112,8 +67,8 @@ add_lldb_library(lldbTarget
  swiftAST
  swiftBasic
  swiftFrontend
  + swiftReflection
  swiftRemoteAST
  - ${REFLECTION_LIB}
  lldbBreakpoint
  lldbCore
  lldbExpression
  