fix C++ builds and make the comment on initializers clearer

diff --git a/regexec.c b/regexec.c
index 8d3ec68..93de2cf 100644 (file)
--- a/regexec.c
+++ b/regexec.c
@@ -4039,17 +4039,19 @@ S_regmatch(pTHX_ regmatch_info *reginfo, regnode *prog)
               named buffers just convert to the equivalent numbered and
               pretend they were called as the corresponding numbered buffer
               op.  */
-           /* don't initialize these, it makes C++ unhappy */
+           /* don't initialize these in the declaration, it makes C++
+              unhappy */
            char *s;
            char type;
            re_fold_t folder;
            const U8 *fold_array;
-           UV utf8_fold_flags = 0;
+           UV utf8_fold_flags;
 
            PL_reg_flags |= RF_tainted;
            folder = foldEQ_locale;
            fold_array = PL_fold_locale;
            type = REFFL;
+           utf8_fold_flags = 0;
            goto do_nref;
 
        case NREFFA: