GCC: ChangeLog, 1.47 -> 1.48

[Jan-Benedict Glaw]

Update of /mnt/vax-development/CVS_Repository/gcc/gcc
In directory mail:/mnt/vax-development/local_work/work-jbglaw/local-cvs/gcc/gcc

Modified Files:
	ChangeLog 
Log Message:
- - - -- -- A U T O M A T I C   C H E C K I N -- -- - - -
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce):
	Check for arificial variables, not is_gimple_tmp_var.
	* tree-ssa-live.c (var_union): Likewise.