re PR c++/58305 (Deprecation warning for class not raised when not assigning to a variable)

/cp
2013-09-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58305
	* typeck2.c (build_functional_cast): Maybe warn_deprecated_use.

/testsuite
2013-09-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58305
	* g++.dg/warn/deprecated-8.C: New.

From-SVN: r202242

gcc/cp/ChangeLog

+2013-09-03  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/58305
+	* typeck2.c (build_functional_cast): Maybe warn_deprecated_use.
+
 2013-09-03  Mike Stump  <mikestump@comcast.net>
 
 	* Make-lang.in (cp/lambda.o): Add dependencies.

gcc/cp/typeck2.c

@@ -1761,7 +1761,14 @@ build_functional_cast (tree exp, tree parms, tsubst_flags_t complain)
     return error_mark_node;
 
   if (TREE_CODE (exp) == TYPE_DECL)
-    type = TREE_TYPE (exp);
+    {
+      type = TREE_TYPE (exp);
+
+      if (complain & tf_warning
+	  && TREE_DEPRECATED (type)
+	  && DECL_ARTIFICIAL (exp))
+	warn_deprecated_use (type, NULL_TREE);
+    }
   else
     type = exp;
 

gcc/testsuite/ChangeLog

+2013-09-04  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/58305
+	* g++.dg/warn/deprecated-8.C: New.
+
 2013-09-03  Jeff Law  <law@redhat.com>
 
 	* tree-ssa/ssa-dom-thread-3.c: Update due to changes in debug

gcc/testsuite/g++.dg/warn/deprecated-8.C

+// PR c++/58305
+
+class ToBeDeprecated {
+} __attribute__ ((deprecated ("deprecated!")));
+
+typedef ToBeDeprecated NotToBeDeprecated; // { dg-warning "'ToBeDeprecated' is deprecated" }
+
+int main() {
+
+  ToBeDeprecated();    // { dg-warning "'ToBeDeprecated' is deprecated" }
+  ToBeDeprecated x;    // { dg-warning "'ToBeDeprecated' is deprecated" }
+
+  NotToBeDeprecated();
+  NotToBeDeprecated y;
+}