From: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 6 Apr 2016 16:22:45 +0000 (+0000)
Subject: 	* class.c (check_abi_tags): Fix function template handling.
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a6f641b5a942b679b84a661c48a359adc1fcc0be;p=thirdparty%2Fgcc.git

	* class.c (check_abi_tags): Fix function template handling.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@234790 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 3831b92d5642..2cf989ba825d 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,7 @@
+2016-04-06  Jason Merrill  <jason@redhat.com>
+
+	* class.c (check_abi_tags): Fix function template handling.
+
 2016-04-05  Nathan Sidwell  <nathan@acm.org>
 
 	PR c++/70512
diff --git a/gcc/cp/class.c b/gcc/cp/class.c
index ade200116503..e66f0b9c51e9 100644
--- a/gcc/cp/class.c
+++ b/gcc/cp/class.c
@@ -1604,6 +1604,15 @@ check_abi_tags (tree t, tree subob)
 void
 check_abi_tags (tree decl)
 {
+  tree t;
+  if (abi_version_at_least (10)
+      && DECL_LANG_SPECIFIC (decl)
+      && DECL_USE_TEMPLATE (decl)
+      && (t = DECL_TEMPLATE_RESULT (DECL_TI_TEMPLATE (decl)),
+	  t != decl))
+    /* Make sure that our template has the appropriate tags, since
+       write_unqualified_name looks for them there.  */
+    check_abi_tags (t);
   if (VAR_P (decl))
     check_abi_tags (decl, TREE_TYPE (decl));
   else if (TREE_CODE (decl) == FUNCTION_DECL
diff --git a/gcc/testsuite/g++.dg/abi/abi-tag19.C b/gcc/testsuite/g++.dg/abi/abi-tag19.C
new file mode 100644
index 000000000000..e21d7b1256d4
--- /dev/null
+++ b/gcc/testsuite/g++.dg/abi/abi-tag19.C
@@ -0,0 +1,4 @@
+struct __attribute__((abi_tag("a"))) X { };
+template<typename T> struct Y { X f() { return X(); } };
+template struct Y<int>;
+// { dg-final { scan-assembler "_ZN1YIiE1fB1aEv" } }