p4raw-id: //depot/perl@28246
=for apidoc Am|void|SvMAGIC_set|SV* sv|MAGIC* val
Set the value of the MAGIC pointer in sv to val. See C<SvIV_set>.
-=for apidoc Am|void|SvSTASH_set|SV* sv|STASH* val
+=for apidoc Am|void|SvSTASH_set|SV* sv|HV* val
Set the value of the STASH pointer in sv to val. See C<SvIV_set>.
=for apidoc Am|void|SvCUR_set|SV* sv|STRLEN len