Fix ICE caused by my previous patch, that is, if super trait had more
methods tnan subtrait, compiling would fail. I simply forgot to update
variable name. Updated test case , too.
support for GNUs ./configure syntax

GNUs ./configure --host and --target syntax support

GNUs ./configure --mandir syntax support

GNUs ./configure --mandir syntax support2

GNUs ./configure --infodir syntax support2

datadir

sysconfdir

localstate