re PR target/64411 (ICE: in verify_target_availability, at sel-sched.c:1577 with -Os -mcmodel=medium -fPIC -fschedule-insns -fselective-scheduling)

gcc/

        PR target/64411
        * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
        factored out from ...
        (sched_analyze_insn): ... here.
        * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
        * sel-sched-ir.c (setup_id_implicit_regs): New function, use
        get_implicit_reg_pending_clobbers in it.
        (setup_id_reg_sets): Use setup_id_implicit_regs.
        (deps_init_id): Ditto.

testsuite/

	PR target/64411
	* gcc.target/i386/pr64411.C: New test.

From-SVN: r234216