* cgraph.h (release_function_body): Declare.

	* tree.c (free_lang_data_in_decl): Free, parameters and return values
	of unused delcarations.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@201413 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 14 insertions, 0 deletions

diff --git a/gcc/tree.c b/gcc/tree.c
index ab1173525c7..c9f47d26260 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -4886,6 +4886,20 @@ free_lang_data_in_decl (tree decl)
 
  if (TREE_CODE (decl) == FUNCTION_DECL)
     {
+      struct cgraph_node *node;
+      if (!(node = cgraph_get_node (decl))
+	  || (!node->symbol.definition && !node->clones))
+	{
+	  if (node)
+	    cgraph_release_function_body (node);
+	  else
+	    {
+	      release_function_body (decl);
+	      DECL_ARGUMENTS (decl) = NULL;
+	      DECL_RESULT (decl) = NULL;
+	      DECL_INITIAL (decl) = error_mark_node;
+	    }
+	}
       if (gimple_has_body_p (decl))
 	{
 	  tree t;