xalloca          1900 regcomp.c        map = (GroupNumRemap* )xalloca(sizeof(GroupNumRemap) * (env->num_mem + 1));
xalloca           367 regexec.c              (msa).state_check_buff = (void* )xalloca(size);\
xalloca           397 regexec.c          alloc_addr = (char* )xalloca(sizeof(char*) * (ptr_num));\
xalloca           404 regexec.c          alloc_addr = (char* )xalloca(sizeof(char*) * (ptr_num)\