Make PL_(top|body|form)target PVIVs

These are only used for storing a string and an IV.

Making them into full-blown SVt_PVFMs is overkill.

FmLINES was only being used on these three scalars.  So make it use
the SvIVX field.  struct xpvfm no longer needs an xfm_lines member,
because SVt_PVFMs no longer use it.

This also causes a TODO test in taint.t to start passing, but I do
not fully understand why.  But at least that’s progress. :-)

1 files changed, 0 insertions, 2 deletions

diff --git a/dump.c b/dump.c
index 022983d8a9..c7a40a6949 100644
--- a/dump.c
+++ b/dump.c
@@ -1924,8 +1924,6 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
 	    Perl_dump_indent(aTHX_ level, file, "  DEPTH = %"IVdf"\n", (IV)CvDEPTH(sv));
 	Perl_dump_indent(aTHX_ level, file, "  FLAGS = 0x%"UVxf"\n", (UV)CvFLAGS(sv));
 	Perl_dump_indent(aTHX_ level, file, "  OUTSIDE_SEQ = %"UVuf"\n", (UV)CvOUTSIDE_SEQ(sv));
-	if (type == SVt_PVFM)
-	    Perl_dump_indent(aTHX_ level, file, "  LINES = %"IVdf"\n", (IV)FmLINES(sv));
 	Perl_dump_indent(aTHX_ level, file, "  PADLIST = 0x%"UVxf"\n", PTR2UV(CvPADLIST(sv)));
 	if (nest < maxnest) {
 	    do_dump_pad(level+1, file, CvPADLIST(sv), 0);