emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's 2001-02-24 which broke building the Java library.

2001-03-12  Jeffrey Oldham  <oldham@codesourcery.com>

	* emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
	2001-02-24 which broke building the Java library.
	* function.c (identify_blocks): Likewise.
	(all_blocks): Likewise.
	* integrate.c (integrate_decl_tree): Likewise.
	* print-tree.c (print_node): Likewise.
	* tree.h (BLOCK_NUMBER): Likewise.
	(struct tree_block): Likewise.

From-SVN: r40431