Fix build of jit after debug-early merger

Fix build of jit after debug-early merger

gcc/jit/ChangeLog:
	* dummy-frontend.c (jit_langhook_write_globals): Rename to...
	(jit_langhook_post_compilation_parsing_cleanups): ...this, and
	eliminate calls to finalize_compilation_unit and
	write_global_decls_2.
	(LANG_HOOKS_WRITE_GLOBALS): Rename to...
	(LANG_HOOKS_POST_COMPILATION_PARSING_CLEANUPS): ...this and
	redirect from jit_langhook_write_globals to
	jit_langhook_post_compilation_parsing_cleanups.
	* jit-playback.c
	(gcc::jit::playback::context::write_global_decls_1): Rename to...
	(gcc::jit::playback::context::finalize_global_decls): ...this.
	(gcc::jit::playback::context::write_global_decls_1): Delete.
	* jit-playback.h
	(gcc::jit::playback::context::write_global_decls_1): Rename to...
	(gcc::jit::playback::context::finalize_global_decls): ...this.
	(gcc::jit::playback::context::write_global_decls_1): Delete.

From-SVN: r224170