Change SvTAIL() to check that both SVpbm_TAIL|SVpbm_VALID are true.
authorNicholas Clark <nick@ccl4.org>
Mon, 11 Dec 2006 18:26:31 +0000 (18:26 +0000)
committerNicholas Clark <nick@ccl4.org>
Mon, 11 Dec 2006 18:26:31 +0000 (18:26 +0000)
commit78d0cf80609ca6ef7050cc76fbcfe7807885b9ce
tree240240768198470b2d64763680bfb13fc6bfd65b
parent1a236485853de3b849a717a26236cd3500843c4e
Change SvTAIL() to check that both SVpbm_TAIL|SVpbm_VALID are true.
SVpbm_VALID is the same bit value is SVf_IVisUV, which means that
PVBMs can't actually ever be IOK. Therefore move BmUSEFUL() into the
IV union, and save one I32 per PVBM.

p4raw-id: //depot/perl@29518
sv.h
util.c