Integrate:

Integrate:
[ 24740]
More SvPV consting.

[ 24742]
More consting of SvPV

[ 24743]
More SvPV consting

[ 24744]
More SvPV consting

[ 24752]
One more SvPV_const
p4raw-link: @24752 on //depot/perl: 6f46942a96d669ad911580516a4c630bf04865ca
p4raw-link: @24744 on //depot/perl: 83003860610d4132632305aad5e79203998fbf38
p4raw-link: @24743 on //depot/perl: 10516c54a74630cf74b5f3650f62a47cae3b2ac0
p4raw-link: @24742 on //depot/perl: 245d4a47e185d4e38ca6440eb62ae19d5e411fd1
p4raw-link: @24740 on //depot/perl: e62f0680cdecd36f79df8a7dabc61c6a2739f07a

p4raw-id: //depot/maint-5.8/perl@25524
p4raw-integrated: from //depot/perl@24744 'merge in' regexec.c
	(@24682..) pp_sort.c (@24708..)
p4raw-integrated: from //depot/perl@24743 'edit in' doop.c pp.c
	pp_hot.c pp_pack.c (@24740..) 'merge in' perl.c (@24689..)
p4raw-integrated: from //depot/perl@24742 'merge in' embed.fnc proto.h
	(@24736..)
p4raw-integrated: from //depot/perl@24740 'edit in' gv.c pp_sys.c
	(@24726..) pp_ctl.c sv.c toke.c (@24735..) mg.c (@24737..)
	'merge in' universal.c (@24553..) perlio.c (@24689..) doio.c
	(@24726..) util.c (@24735..)