d: Merge dmd, druntime 34875cd6e1, phobos ebd24da8a

D front-end changes:

        - Import dmd v2.110.0-beta.1.
        - `ref' can now be applied to local, static, extern, and global
	  variables.

D runtime changes:

        - Import druntime v2.110.0-beta.1.

Phobos changes:

        - Import phobos v2.110.0-beta.1.

gcc/d/ChangeLog:

	* dmd/MERGE: Merge upstream dmd 34875cd6e1.
	* dmd/VERSION: Bump version to v2.110.0-beta.1.
	* Make-lang.in (D_FRONTEND_OBJS): Add d/deps.o, d/timetrace.o.
	* decl.cc (class DeclVisitor): Update for new front-end interface.
	* expr.cc (class ExprVisitor): Likewise
	* typeinfo.cc (check_typeinfo_type): Likewise.

libphobos/ChangeLog:

	* libdruntime/MERGE: Merge upstream druntime 34875cd6e1.
	* src/MERGE: Merge upstream phobos ebd24da8a.