PR libfortran/107031

libgfortran/ChangeLog:

	* io/file_pos.c (st_endfile): Remove call to next_record().

gcc/testsuite/ChangeLog:

	* gfortran.dg/endfile_5.f90: New test.

Per the standard, the return type of a generators ranges iterator op*
should be the reference type rather than the yielded type.

The yielded type was used here by mistake.

libstdc++-v3/ChangeLog:

	* include/std/generator (generator::_Iterator::operator*): Fix
	return type.
	* testsuite/24_iterators/range_generators/iter_deref_return.cc:
	New test.

libstdc++-v3/ChangeLog:

	* include/std/generator: Fix _V badname.