regexec.c: Clean up initialized vars in switch

Commit cf5c578b88887f19f7fba519bbc12296 attempted to clean up d7ef4b73,
but did not get it quite right.  This fixes it, after consultation with
the author.

diff --git a/regexec.c b/regexec.c
index c9c874c..112722e 100644 (file)
--- a/regexec.c
+++ b/regexec.c
@@ -3961,6 +3961,8 @@ S_regmatch(pTHX_ regmatch_info *reginfo, regnode *prog)
 
        case NREF:
            type = REF;
+           folder = NULL;
+           fold_array = NULL;
          do_nref:
 
            /* For the named back references, find the corresponding buffer
@@ -3986,9 +3988,12 @@ S_regmatch(pTHX_ regmatch_info *reginfo, regnode *prog)
        case REFF:
            folder = foldEQ;
            fold_array = PL_fold;
-           /* FALL THROUGH */
+           goto do_ref;
 
         case REF:
+           folder = NULL;
+           fold_array = NULL;
+
          do_ref:
            type = OP(scan);
            n = ARG(scan);  /* which paren pair */