REG_ESIZE        2544 lib/regcomp.c  	  *err = REG_ESIZE;
REG_ESIZE         842 src/regex-emacs.c    [REG_ESIZE] = "Regular expression too big",
REG_ESIZE        1245 src/regex-emacs.c       return REG_ESIZE;							\
REG_ESIZE        2212 src/regex-emacs.c 				  FREE_STACK_RETURN (REG_ESIZE);