string_cmp_ic    1078 regexec.c        if (string_cmp_ic(encode, case_fold_flag, s1, ps2, len, text_end) == 0) \
string_cmp_ic    1119 regexec.c        if (string_cmp_ic(encode, case_fold_flag, s1, ps2, len, text_end) == 0) \
string_cmp_ic    1227 regexec.c      	      if (string_cmp_ic(reg->enc, case_fold_flag,