c4x.c: Don't include "c-tree.h".

	* config/c4x/c4x.c: Don't include "c-tree.h".
	* config/pa/pa.c: Likewise.
	* langhooks.c: Likewise.
	* tree.h (poplevel): Declare.

From-SVN: r68016

gcc/ChangeLog

+2003-06-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* config/c4x/c4x.c: Don't include "c-tree.h".
+	* config/pa/pa.c: Likewise.
+	* langhooks.c: Likewise.
+	* tree.h (poplevel): Declare.
+
 2003-06-16  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* config/h8300/h8300.c (const_costs): Move this to ...

gcc/config/c4x/c4x.c

@@ -44,7 +44,6 @@ Boston, MA 02111-1307, USA.  */
 #include "flags.h"
 #include "loop.h"
 #include "recog.h"
-#include "c-tree.h"
 #include "ggc.h"
 #include "cpplib.h"
 #include "toplev.h"

gcc/config/pa/pa.c

@@ -39,7 +39,6 @@ Boston, MA 02111-1307, USA.  */
 #include "optabs.h"
 #include "libfuncs.h"
 #include "reload.h"
-#include "c-tree.h"
 #include "integrate.h"
 #include "function.h"
 #include "obstack.h"

gcc/langhooks.c

@@ -25,7 +25,6 @@ Boston, MA 02111-1307, USA.  */
 #include "tm.h"
 #include "toplev.h"
 #include "tree.h"
-#include "c-tree.h"
 #include "tree-inline.h"
 #include "rtl.h"
 #include "insn-config.h"

gcc/tree.h

@@ -2644,6 +2644,10 @@ extern GTY(()) tree current_function_func_begin_label;
 
 extern int all_types_permanent;
 
+/* Exit a binding level.  This function is provided by each language
+   frontend.  */
+extern tree poplevel (int, int, int);
+
 /* Declare a predefined function.  Return the declaration.  This function is
    provided by each language frontend.  */
 extern tree builtin_function		PARAMS ((const char *, tree, int,