Integrate mainline

p4raw-id: //depot/perlio@10787

diff --cc pod/perlapi.pod
index 91d6b31,e62012e..bac156f
--- 1/pod/perlapi.pod
--- 2/pod/perlapi.pod
+++ b/pod/perlapi.pod
@@@ -329,7 -329,7 +329,7 @@@ L<perlsub/"Constant Functions">
        SV*     cv_const_sv(CV* cv)
  
  =for hackers
--Found in file op.c
++Found in file opmini.c
  
  =item dAX
  
@@@ -1153,7 -1153,7 +1153,7 @@@ method, similar to C<use Foo::Bar VERSI
        void    load_module(U32 flags, SV* name, SV* ver, ...)
  
  =for hackers
--Found in file op.c
++Found in file opmini.c
  
  =item looks_like_number
  
@@@ -1292,7 -1292,7 +1292,7 @@@ eligible for inlining at compile-time
        CV*     newCONSTSUB(HV* stash, char* name, SV* sv)
  
  =for hackers
--Found in file op.c
++Found in file opmini.c
  
  =item newHV
  
@@@ -1452,7 -1452,7 +1452,7 @@@ Found in file sv.
  Used by C<xsubpp> to hook up XSUBs as Perl subs.
  
  =for hackers
--Found in file op.c
++Found in file opmini.c
  
  =item newXSproto
  
@@@ -2422,21 -2422,21 +2422,21 @@@ Like C<SvPV_nolen>, but converts sv to 
  =for hackers
  Found in file sv.h
  
--=item SvPVx
++=item SvPVX
  
--A version of C<SvPV> which guarantees to evaluate sv only once.
++Returns a pointer to the physical string in the SV.  The SV must contain a
++string.
  
--      char*   SvPVx(SV* sv, STRLEN len)
++      char*   SvPVX(SV* sv)
  
  =for hackers
  Found in file sv.h
  
--=item SvPVX
++=item SvPVx
  
--Returns a pointer to the physical string in the SV.  The SV must contain a
--string.
++A version of C<SvPV> which guarantees to evaluate sv only once.
  
--      char*   SvPVX(SV* sv)
++      char*   SvPVx(SV* sv, STRLEN len)
  
  =for hackers
  Found in file sv.h
@@@ -2766,22 -2766,22 +2766,22 @@@ for a version which guarantees to evalu
  =for hackers
  Found in file sv.h
  
--=item SvUVx
++=item SvUVX
  
--Coerces the given SV to an unsigned integer and returns it. Guarantees to
--evaluate sv only once. Use the more efficent C<SvUV> otherwise.
++Returns the raw value in the SV's UV slot, without checks or conversions.
++Only use when you are sure SvIOK is true. See also C<SvUV()>.
  
--      UV      SvUVx(SV* sv)
++      UV      SvUVX(SV* sv)
  
  =for hackers
  Found in file sv.h
  
--=item SvUVX
++=item SvUVx
  
--Returns the raw value in the SV's UV slot, without checks or conversions.
--Only use when you are sure SvIOK is true. See also C<SvUV()>.
++Coerces the given SV to an unsigned integer and returns it. Guarantees to
++evaluate sv only once. Use the more efficent C<SvUV> otherwise.
  
--      UV      SvUVX(SV* sv)
++      UV      SvUVx(SV* sv)
  
  =for hackers
  Found in file sv.h