STACK_GET_MEM_START 2274 ext/mbstring/oniguruma/regexec.c       STACK_GET_MEM_START(mem, stkp); /* should be before push mem-end. */
STACK_GET_MEM_START 2284 ext/mbstring/oniguruma/regexec.c       STACK_GET_MEM_START(mem, stkp);