revert: re PR debug/23551 (dwarf records for inlines appear incomplete)

Revert:
2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
PR debug/23551
* tree-ssa-copyrename.c (copy_rename_partition_coalesce):
Disregard DECL_FROM_INLINE.

From-SVN: r126492

gcc/ChangeLog

+2007-07-09  Alexandre Oliva  <aoliva@oliva.athome.lsd.ic.unicamp.br>
+
+	Revert:
+	2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
+	PR debug/23551
+	* tree-ssa-copyrename.c (copy_rename_partition_coalesce):
+	Disregard DECL_FROM_INLINE.
+
 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/27855

gcc/tree-ssa-copyrename.c

@@ -191,12 +191,20 @@ copy_rename_partition_coalesce (var_map map, tree var1, tree var2, FILE *debug)
   ign1 = TREE_CODE (root1) == VAR_DECL && DECL_IGNORED_P (root1);
   ign2 = TREE_CODE (root2) == VAR_DECL && DECL_IGNORED_P (root2);
 
-  /* Never attempt to coalesce 2 user variables.  */
+  /* Never attempt to coalesce 2 user variables unless one is an inline 
+     variable.  */
   if (!ign1 && !ign2)
     {
-      if (debug)
-	fprintf (debug, " : 2 different USER vars. No coalesce.\n");
-      return false;
+      if (DECL_FROM_INLINE (root2))
+        ign2 = true;
+      else if (DECL_FROM_INLINE (root1))
+	ign1 = true;
+      else 
+	{
+	  if (debug)
+	    fprintf (debug, " : 2 different USER vars. No coalesce.\n");
+	  return false;
+	}
     }
 
   /* Don't coalesce if there are two different memory tags.  */