CHECK_ERR         666 third_party/cld/base/logging.h #define CHECK_ERR(invocation)                                          \
CHECK_ERR         176 third_party/tcmalloc/chromium/src/base/logging.h #define CHECK_ERR(invocation)  PCHECK((invocation) != -1)
CHECK_ERR         171 third_party/tcmalloc/vendor/src/base/logging.h #define CHECK_ERR(invocation)  PCHECK((invocation) != -1)