toplev.c (warn_deprecated_use): Correct logic for saying "type" in diagnostic.

	* toplev.c (warn_deprecated_use): Correct logic for saying "type"
	in diagnostic.  Don't dereference NULL TYPE_NAME.

testsuite:
	* gcc.dg/deprecated-2.c: New test.

From-SVN: r87289

gcc/ChangeLog

+2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+	* toplev.c (warn_deprecated_use): Correct logic for saying "type"
+	in diagnostic.  Don't dereference NULL TYPE_NAME.
+
 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,

gcc/testsuite/ChangeLog

+2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+	* gcc.dg/deprecated-2.c: New test.
+
 2004-09-09  James E Wilson  <wilson@specifixinc.com>
 
 	* gcc.dg/init-vec-1.c: New test.

gcc/testsuite/gcc.dg/deprecated-2.c

+/* Test __attribute__((deprecated)).  Test types without names.  */
+/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
+/* { dg-do compile } */
+/* { dg-options "" } */
+
+struct { int a; } __attribute__((deprecated)) x; /* { dg-warning "type is deprecated" } */
+typeof(x) y; /* { dg-warning "type is deprecated" } */

gcc/toplev.c

@@ -900,11 +900,14 @@ warn_deprecated_use (tree node)
       const char *what = NULL;
       tree decl = TYPE_STUB_DECL (node);
 
-      if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
-	what = IDENTIFIER_POINTER (TYPE_NAME (node));
-      else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
-	       && DECL_NAME (TYPE_NAME (node)))
-	what = IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node)));
+      if (TYPE_NAME (node))
+	{
+	  if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
+	    what = IDENTIFIER_POINTER (TYPE_NAME (node));
+	  else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
+		   && DECL_NAME (TYPE_NAME (node)))
+	    what = IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node)));
+	}
 
       if (decl)
 	{
@@ -920,9 +923,9 @@ warn_deprecated_use (tree node)
       else
 	{
 	  if (what)
-	    warning ("type is deprecated");
-	  else
 	    warning ("`%s' is deprecated", what);
+	  else
+	    warning ("type is deprecated");
 	}
     }
 }