message: [LanguageRuntime/ObjC] Turn off ISA logging once and for all.
  On behalf of Jim, who's out today.
diff: @@ -1437,6 +1437,8 @@ uint32_t AppleObjCRuntimeV2::ParseClassInfoArray(const DataExtractor &data,
  // } __attribute__((__packed__));
  Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_TYPES));
  + bool should_log = log && log->GetVerbose();
  +
  uint32_t num_parsed = 0;
  // Iterate through all ClassInfo structures
  @@ -1445,7 +1447,7 @@ uint32_t AppleObjCRuntimeV2::ParseClassInfoArray(const DataExtractor &data,
  ObjCISA isa = data.GetPointer(&offset);
  if (isa == 0) {
  - if (log && log->GetVerbose())
  + if (should_log)
  log->Printf(
  "AppleObjCRuntimeV2 found NULL isa, ignoring this class info");
  continue;
  @@ -1453,7 +1455,7 @@ uint32_t AppleObjCRuntimeV2::ParseClassInfoArray(const DataExtractor &data,
  // Check if we already know about this ISA, if we do, the info will never
  // change, so we can just skip it.
  if (ISAIsCached(isa)) {
  - if (log)
  + if (should_log)
  log->Printf("AppleObjCRuntimeV2 found cached isa=0x%" PRIx64
  ", ignoring this class info",
  isa);
  @@ -1464,14 +1466,14 @@ uint32_t AppleObjCRuntimeV2::ParseClassInfoArray(const DataExtractor &data,
  ClassDescriptorSP descriptor_sp(new ClassDescriptorV2(*this, isa, NULL));
  AddClass(isa, descriptor_sp, name_hash);
  num_parsed++;
  - if (log)
  + if (should_log)
  log->Printf("AppleObjCRuntimeV2 added isa=0x%" PRIx64
  ", hash=0x%8.8x, name=%s",
  isa, name_hash,
  descriptor_sp->GetClassName().AsCString("<unknown>"));
  }
  }
  - if (log)
  + if (should_log)
  log->Printf("AppleObjCRuntimeV2 parsed %" PRIu32 " class infos",
  num_parsed);
  return num_parsed;
  