compiler: Handle recursive pointer types for unary indirection.

	* go-gcc.cc (Gcc_backend::indirect_expression): Add btype
	parameter.
	(Gcc_backend::temporary_variable): Check for erroneous function.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210087 138bc75d-0d04-0410-961f-82ee72b054a4
compiler: Use backend interface for slice construction.

	* go-gcc.cc (Gcc_backend::implicit_variable): Rename from
	gc_root_variable.  Add name and is_constant parameters.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210088 138bc75d-0d04-0410-961f-82ee72b054a4
Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210092 138bc75d-0d04-0410-961f-82ee72b054a4