mangle.c (decl_is_template_id): The template itself counts as a template-id.

	* mangle.c (decl_is_template_id): The template itself counts as a
	template-id.

From-SVN: r234879

gcc/cp/ChangeLog

+2016-04-11  Jason Merrill  <jason@redhat.com>
+
+	* mangle.c (decl_is_template_id): The template itself counts as a
+	template-id.
+
 2016-04-08  Patrick Palka  <ppalka@gcc.gnu.org>
 
 	PR c++/70590

gcc/cp/mangle.c

@@ -264,9 +264,9 @@ static void write_java_integer_type_codes (const tree);
 #define write_unsigned_number(NUMBER)					\
   write_number ((NUMBER), /*unsigned_p=*/1, 10)
 
-/* If DECL is a template instance, return nonzero and, if
-   TEMPLATE_INFO is non-NULL, set *TEMPLATE_INFO to its template info.
-   Otherwise return zero.  */
+/* If DECL is a template instance (including the uninstantiated template
+   itself), return nonzero and, if TEMPLATE_INFO is non-NULL, set
+   *TEMPLATE_INFO to its template info.  Otherwise return zero.  */
 
 static int
 decl_is_template_id (const tree decl, tree* const template_info)
@@ -290,7 +290,8 @@ decl_is_template_id (const tree decl, tree* const template_info)
     {
       /* Check if this is a primary template.  */
       if (DECL_LANG_SPECIFIC (decl) != NULL
-	  && DECL_USE_TEMPLATE (decl)
+	  && VAR_OR_FUNCTION_DECL_P (decl)
+	  && DECL_TEMPLATE_INFO (decl)
 	  && PRIMARY_TEMPLATE_P (DECL_TI_TEMPLATE (decl))
 	  && TREE_CODE (decl) != TEMPLATE_DECL)
 	{

gcc/testsuite/g++.dg/abi/abi-tag20.C

+// { dg-do compile { target c++11 } }
+// { dg-final { scan-assembler "_ZN1B1gIcEEN7__cxx111XEv" } }
+
+inline namespace __cxx11 __attribute__((__abi_tag__ ("ABI_TAG"))) {
+  class X {};
+}
+struct B {
+  X f();
+  template <class U> X g();
+};
+int main() {
+  B b;
+  b.g<char>();
+  return 0;
+}