* tree-ssa (rewrite_out_of_ssa): Disable coalescing of variables not
	related by a copy that share the same root variable.


Index: tree-outof-ssa.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/Attic/tree-outof-ssa.c,v
retrieving revision 1.1.2.1
diff -c -p -r1.1.2.1 tree-outof-ssa.c
*** tree-outof-ssa.c	19 Mar 2004 02:07:25 -0000	1.1.2.1
--- tree-outof-ssa.c	24 Mar 2004 19:56:28 -0000
*************** rewrite_out_of_ssa (void)
*** 1970,1977 ****
  {
    var_map map;
    int var_flags = 0;
!   int ssa_flags = (SSANORM_REMOVE_ALL_PHIS | SSANORM_USE_COALESCE_LIST
! 		   | SSANORM_COALESCE_PARTITIONS);
  
    eliminate_virtual_phis ();
  
--- 1970,1976 ----
  {
    var_map map;
    int var_flags = 0;
!   int ssa_flags = (SSANORM_REMOVE_ALL_PHIS | SSANORM_USE_COALESCE_LIST);
  
    eliminate_virtual_phis ();