* cppinit.c (cpp_cleanup): Free include dir chains.

	* cpplib.c (do_undef): Let _cpp_free_definition make the node void.
	(do_unassert): Free the assert with _cpp_free_definition.
	* cppmacro.c (_cpp_free_definition): Free memory allocated for
	assertions.  Make the node a T_VOID node.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35765 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 12 insertions, 0 deletions

diff --git a/gcc/cppmacro.c b/gcc/cppmacro.c
index ade67d70c31..3c9ffb97483 100644
--- a/gcc/cppmacro.c
+++ b/gcc/cppmacro.c
@@ -404,6 +404,18 @@ _cpp_free_definition (h)
 {
   if (h->type == T_MACRO)
     free ((PTR) h->value.expansion);
+  else if (h->type == T_ASSERTION)
+    {
+      struct answer *temp, *next;
+
+      for (temp = h->value.answers; temp; temp = next)
+	{
+	  next = temp->next;
+	  FREE_ANSWER (temp);
+	}
+    }
+
+  h->type = T_VOID;
   h->value.expansion = NULL;
 }