Move class temp_source_file from input.c to selftest.c/h
gcc/ChangeLog:
* input.c (class selftest::temp_source_file): Move to
selftest.h.
(selftest::temp_source_file::temp_source_file): Move to
selftest.c.
(selftest::temp_source_file::~temp_source_file): Likewise.
* selftest.c (selftest::temp_source_file::temp_source_file): Move
here from input.c.
(selftest::temp_source_file::~temp_source_file): Likewise.
* selftest.h (class selftest::temp_source_file): Move here from
input.c
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@239509 138bc75d-0d04-0410-961f-82ee72b054a4