toplev.c (rest_of_compilation): Delete dead jumptables before loop.

toplev.c (rest_of_compilation): Delete dead jumptables before loop.

	* toplev.c (rest_of_compilation): Delete dead jumptables before
	loop.
	* flow.c (delete_dead_jumptables): Make global.
	* rtl.h (delete_dead_jumptables): Declare.

From-SVN: r50205