2010-04-29  Martin Jambor  <mjambor@suse.cz>

	* cgraph.c (cgraph_set_node_decl): New function.
	* cgraph.h (cgraph_set_node_decl): Declare. 

Index: mine/gcc/cgraph.c
===================================================================
--- mine.orig/gcc/cgraph.c
+++ mine/gcc/cgraph.c
@@ -2305,4 +2305,21 @@ cgraph_set_looping_const_or_pure_flag (s
     DECL_LOOPING_CONST_OR_PURE_P (alias->decl) = looping_const_or_pure;
 }
 
+/* Set the declaration NODE belongs to to NEW_DECL.  */
+
+void
+cgraph_set_node_decl (struct cgraph_node *node, tree new_decl)
+{
+  void **slot;
+
+  slot = htab_find_slot (cgraph_hash, node, NO_INSERT);
+  if (*slot == node)
+    htab_clear_slot (cgraph_hash, slot);
+
+  node->decl = new_decl;
+  slot = (struct cgraph_node **) htab_find_slot (cgraph_hash, node, INSERT);
+  gcc_assert (!*slot);
+  *slot = node;
+}
+
 #include "gt-cgraph.h"
Index: mine/gcc/cgraph.h
===================================================================
--- mine.orig/gcc/cgraph.h
+++ mine/gcc/cgraph.h
@@ -487,6 +487,7 @@ void cgraph_set_nothrow_flag (struct cgr
 void cgraph_set_readonly_flag (struct cgraph_node *, bool);
 void cgraph_set_pure_flag (struct cgraph_node *, bool);
 void cgraph_set_looping_const_or_pure_flag (struct cgraph_node *, bool);
+void cgraph_set_node_decl (struct cgraph_node *, tree);
 
 /* In cgraphunit.c  */
 void cgraph_finalize_function (tree, bool);