cgraph.c (cgraph_release_function_body): New function.

	* cgraph.c (cgraph_release_function_body): New function.
	(cgraph_remove_node): Use it.
	* cgraph.h (cgraph_release_function_body): Declare.
	* cgraphunit.c (cgraph_expand_function): Use it.
	* ipa.c (cgraph_remove_unreahchable_nodes): Use it.
	* tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
	is initialized and while compilation of other function is running.
	* tree-optimize.c (execute_free_cfg_annotations): Move code to clear
	statement CFG annotations from here to ...
	* tree-cfg.c (delete_tree_cfg_annotations): ... here.

From-SVN: r120437

1 files changed, 11 insertions, 0 deletions

diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c
index 4358c7e..69b4b4b 100644
--- a/gcc/tree-cfg.c
+++ b/gcc/tree-cfg.c
@@ -2651,6 +2651,17 @@ disband_implicit_edges (void)
 void
 delete_tree_cfg_annotations (void)
 {
+  basic_block bb;
+  block_stmt_iterator bsi;
+
+  /* Remove annotations from every tree in the function.  */
+  FOR_EACH_BB (bb)
+    for (bsi = bsi_start (bb); !bsi_end_p (bsi); bsi_next (&bsi))
+      {
+	tree stmt = bsi_stmt (bsi);
+	ggc_free (stmt->base.ann);
+	stmt->base.ann = NULL;
+      }
   label_to_block_map = NULL;
 }