PUSH_FAILURE_POINTER 1280 regex.cpp      	  PUSH_FAILURE_POINTER (regstart[this_reg]);			\
PUSH_FAILURE_POINTER 1283 regex.cpp      	  PUSH_FAILURE_POINTER (regend[this_reg]);			\
PUSH_FAILURE_POINTER 1305 regex.cpp          PUSH_FAILURE_POINTER (pattern_place);				\
PUSH_FAILURE_POINTER 1311 regex.cpp          PUSH_FAILURE_POINTER (string_place);				\