Revert "Perl_do_sv_dump: alert when skipping elements"

This reverts commit 002beaef76a1595af2e39ffd4cd55c595bd6c271.

I am about to apply the manual-iteration patch from ticket #85026.
It conflicts with 002beaef, but it also renders 002beaef unnecessary.

1 files changed, 22 insertions, 27 deletions

diff --git a/dump.c b/dump.c
index f9556c3c9b..a5d71bc98d 100644
--- a/dump.c
+++ b/dump.c
@@ -1918,34 +1918,29 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
 		}
 	    }
 	}
-	if (nest < maxnest) {
-	    if (HvEITER_get(sv)) /* preserve iterator */
-		Perl_dump_indent(aTHX_ level, file,
-		    "  (*** Active iterator; skipping element dump ***)\n");
-	    else {
-		HE *he;
-		HV * const hv = MUTABLE_HV(sv);
-		int count = maxnest - nest;
-
-		hv_iterinit(hv);
-		while ((he = hv_iternext_flags(hv, HV_ITERNEXT_WANTPLACEHOLDERS))
-		       && count--) {
-		    STRLEN len;
-		    const U32 hash = HeHASH(he);
-		    SV * const keysv = hv_iterkeysv(he);
-		    const char * const keypv = SvPV_const(keysv, len);
-		    SV * const elt = hv_iterval(hv, he);
-
-		    Perl_dump_indent(aTHX_ level+1, file, "Elt %s ", pv_display(d, keypv, len, 0, pvlim));
-		    if (SvUTF8(keysv))
-			PerlIO_printf(file, "[UTF8 \"%s\"] ", sv_uni_display(d, keysv, 6 * SvCUR(keysv), UNI_DISPLAY_QQ));
-		    if (HeKREHASH(he))
-			PerlIO_printf(file, "[REHASH] ");
-		    PerlIO_printf(file, "HASH = 0x%"UVxf"\n", (UV)hash);
-		    do_sv_dump(level+1, file, elt, nest+1, maxnest, dumpops, pvlim);
-		}
-		hv_iterinit(hv);		/* Return to status quo */
+	if (nest < maxnest && !HvEITER_get(sv)) { /* Try to preserve iterator */
+	    HE *he;
+	    HV * const hv = MUTABLE_HV(sv);
+	    int count = maxnest - nest;
+
+	    hv_iterinit(hv);
+	    while ((he = hv_iternext_flags(hv, HV_ITERNEXT_WANTPLACEHOLDERS))
+                   && count--) {
+		STRLEN len;
+		const U32 hash = HeHASH(he);
+		SV * const keysv = hv_iterkeysv(he);
+		const char * const keypv = SvPV_const(keysv, len);
+		SV * const elt = hv_iterval(hv, he);
+
+		Perl_dump_indent(aTHX_ level+1, file, "Elt %s ", pv_display(d, keypv, len, 0, pvlim));
+		if (SvUTF8(keysv))
+		    PerlIO_printf(file, "[UTF8 \"%s\"] ", sv_uni_display(d, keysv, 6 * SvCUR(keysv), UNI_DISPLAY_QQ));
+		if (HeKREHASH(he))
+		    PerlIO_printf(file, "[REHASH] ");
+		PerlIO_printf(file, "HASH = 0x%"UVxf"\n", (UV)hash);
+		do_sv_dump(level+1, file, elt, nest+1, maxnest, dumpops, pvlim);
 	    }
+	    hv_iterinit(hv);		/* Return to status quo */
 	}
 	break;