integrate cfgperl changes#6231..6240 into mainline

integrate cfgperl changes#6231..6240 into mainline

p4raw-link: @6240 on //depot/cfgperl: 514e70b26394e6b272960ab8b9b8b7dbb1e2c068
p4raw-link: @6231 on //depot/cfgperl: 7906debc4b99f108310cdade6e486754c15481e7

p4raw-id: //depot/perl@6355
p4raw-branched: from //depot/cfgperl@6353 'branch in' pod/perlutil.pod
p4raw-integrated: from //depot/cfgperl@6353 'copy in' pod/roffitall
	(@5753..) op.h (@5833..) README.cygwin (@6096..)
	lib/ExtUtils/MM_VMS.pm (@6140..) lib/File/Find.pm (@6156..)
	Configure config_h.SH hints/solaris_2.sh (@6217..) Todo-5.6
	(@6232..) keywords.h lib/warnings.pm opcode.h opnames.h pp.sym
	regnodes.h warnings.h (@6236..) 'ignore' ext/B/B/Asmdata.pm
	ext/ByteLoader/byterun.c ext/ByteLoader/byterun.h (@6236..)
p4raw-integrated: from //depot/cfgperl@6240 'copy in' utils/h2xs.PL
	(@6192..)
p4raw-integrated: from //depot/cfgperl@6238 'merge in' vms/vms.c
	(@6198..)
p4raw-integrated: from //depot/cfgperl@6237 'copy in' utf8.c (@6221..)
	pod/perlapi.pod pod/perlintern.pod pp_proto.h (@6236..)
	'ignore' embedvar.h perlapi.h (@6236..) 'merge in' embed.pl
	(@6225..) embed.h objXSUB.h perlapi.c proto.h (@6236..)
p4raw-integrated: from //depot/cfgperl@6232 'copy in' pod/Makefile
	pod/perltoc.pod (@6161..) MANIFEST (@6227..)