I think this is pretty easy - gnu::deprecated has the same semantics.
Bootstrapped and tested on x86_64-linux.
OK?
gcc/cp:
2013-10-22 Edward Smith-Rowland <[email protected]>
* parser.c (cp_parser_std_attribute): Interpret [[deprecated]]
as [[gnu::deprecated]].
gcc/testsuite:
2013-10-22 Edward Smith-Rowland <[email protected]>
* g++.dg/cpp1y/attr-deprecated.C: New.
* g++.dg/cpp1y/attr-deprecated-neg.C: New.
Index: cp/parser.c
===================================================================
--- cp/parser.c (revision 203915)
+++ cp/parser.c (working copy)
@@ -21426,6 +21443,9 @@
/* C++11 noreturn attribute is equivalent to GNU's. */
if (is_attribute_p ("noreturn", attr_id))
TREE_PURPOSE (TREE_PURPOSE (attribute)) = get_identifier ("gnu");
+ /* C++14 deprecated attribute is equivalent to GNU's. */
+ else if (cxx_dialect >= cxx1y && is_attribute_p ("deprecated", attr_id))
+ TREE_PURPOSE (TREE_PURPOSE (attribute)) = get_identifier ("gnu");
}
/* Now parse the optional argument clause of the attribute. */
Index: testsuite/g++.dg/cpp1y/attr-deprecated.C
===================================================================
--- testsuite/g++.dg/cpp1y/attr-deprecated.C (revision 0)
+++ testsuite/g++.dg/cpp1y/attr-deprecated.C (working copy)
@@ -0,0 +1,59 @@
+// { dg-do compile }
+// { dg-options -std=c++1y }
+
+class [[deprecated]] A
+{
+};
+
+[[deprecated]]
+int
+foo(int n)
+{
+ return 42 + n;
+}
+
+class [[deprecated("B has been superceded by C")]] B
+{
+};
+
+[[deprecated("bar is unsafe; use foobar instead")]]
+int
+bar(int n)
+{
+ return 42 + n - 1;
+}
+
+#if __cplusplus > 201103L
+
+// Deprecate C for C++14 onwards.
+class [[deprecated]] C;
+
+// Deprecate foobar for C++14 onwards.
+[[deprecated]]
+int
+foobar(int n);
+
+#endif
+
+class C
+{
+};
+
+int
+foobar(int n)
+{
+ return 43 + n - 1;
+}
+
+int
+main()
+{
+ A aaa; // { dg-warning "is deprecated" }
+ int n = foo(12); // { dg-warning "is deprecated" }
+
+ B bbb; // { dg-warning "is deprecated" "B has been superceded by C" }
+ int m = bar(666); // { dg-warning "is deprecated" "bar is unsafe; use foobar
instead" }
+
+ C ccc; // { dg-warning "is deprecated" }
+ int l = foobar(8); // { dg-warning "is deprecated" }
+}
Index: testsuite/g++.dg/cpp1y/attr-deprecated-neg.C
===================================================================
--- testsuite/g++.dg/cpp1y/attr-deprecated-neg.C (revision 0)
+++ testsuite/g++.dg/cpp1y/attr-deprecated-neg.C (working copy)
@@ -0,0 +1,59 @@
+// { dg-do compile }
+// { dg-options -std=c++11 }
+
+class [[deprecated]] A // { dg-warning "attribute directive ignored" }
+{
+};
+
+[[deprecated]]
+int
+foo(int n) // { dg-warning "attribute directive ignored" }
+{
+ return 42 + n;
+}
+
+class [[deprecated("B has been superceded by C")]] B // { dg-warning
"attribute directive ignored" }
+{
+};
+
+[[deprecated("bar is unsafe; use foobar instead")]]
+int
+bar(int n) // { dg-warning "attribute directive ignored" }
+{
+ return 42 + n - 1;
+}
+
+#if __cplusplus > 201103L
+
+// Deprecate C for C++14 onwards.
+class [[deprecated]] C;
+
+// Deprecate foobar for C++14 onwards.
+[[deprecated]]
+int
+foobar(int n);
+
+#endif
+
+class C
+{
+};
+
+int
+foobar(int n)
+{
+ return 43 + n - 1;
+}
+
+int
+main()
+{
+ A aaa;
+ int n = foo(12);
+
+ B bbb;
+ int m = bar(666);
+
+ C ccc;
+ int l = foobar(8);
+}
