From 4fce678f8afd3d667becf67576b7d88d07670805 Mon Sep 17 00:00:00 2001
From: Jason Merrill <jason@redhat.com>
Date: Wed, 14 Nov 2012 20:53:23 -0500
Subject: [PATCH] re PR c++/55275 (abi_tag attribute doesn't work on explicit
 specializations of class templates)

	PR c++/55275
	* pt.c (maybe_process_partial_specialization): Update
	DECL_SOURCE_LOCATION for new specializations.

From-SVN: r193524
---
 gcc/cp/ChangeLog                              |  6 ++++
 gcc/cp/pt.c                                   |  2 ++
 gcc/testsuite/g++.dg/abi/abi-tag3.C           | 36 +++++++++++++++++++
 gcc/testsuite/g++.dg/cpp0x/pr31439.C          |  4 +--
 gcc/testsuite/g++.dg/template/crash98.C       |  4 +--
 .../type_traits/add_unsigned_integer_neg.cc   |  3 +-
 .../remove_unsigned_integer_neg.cc            |  3 +-
 7 files changed, 52 insertions(+), 6 deletions(-)
 create mode 100644 gcc/testsuite/g++.dg/abi/abi-tag3.C

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index d382a04f895..bb5e4bad4a7 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2012-11-13  Jason Merrill  <jason@redhat.com>
+
+	PR c++/55275
+	* pt.c (maybe_process_partial_specialization): Update
+	DECL_SOURCE_LOCATION for new specializations.
+
 2012-11-14  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/55323
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index 802c79b8755..3c9bb56c66b 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -838,6 +838,7 @@ maybe_process_partial_specialization (tree type)
 	{
 	  check_specialization_namespace (CLASSTYPE_TI_TEMPLATE (type));
 	  SET_CLASSTYPE_TEMPLATE_SPECIALIZATION (type);
+	  DECL_SOURCE_LOCATION (TYPE_MAIN_DECL (type)) = input_location;
 	  if (processing_template_decl)
 	    {
 	      if (push_template_decl (TYPE_MAIN_DECL (type))
@@ -934,6 +935,7 @@ maybe_process_partial_specialization (tree type)
 	     have one level of template argument for the innermost
 	     class template.  */
 	  SET_CLASSTYPE_TEMPLATE_SPECIALIZATION (type);
+	  DECL_SOURCE_LOCATION (TYPE_MAIN_DECL (type)) = input_location;
 	  CLASSTYPE_TI_ARGS (type)
 	    = INNERMOST_TEMPLATE_ARGS (CLASSTYPE_TI_ARGS (type));
 	}
diff --git a/gcc/testsuite/g++.dg/abi/abi-tag3.C b/gcc/testsuite/g++.dg/abi/abi-tag3.C
new file mode 100644
index 00000000000..05fd58e9402
--- /dev/null
+++ b/gcc/testsuite/g++.dg/abi/abi-tag3.C
@@ -0,0 +1,36 @@
+// An explicit specialization doesn't get the tag from its template unless
+// it is specified there, too.
+
+// { dg-final { scan-assembler "_ZN3FooB5cxx11IcE1fEv" } }
+template<typename T>
+struct __attribute ((abi_tag("cxx11"))) Foo
+{
+  int f();
+};
+
+// { dg-final { scan-assembler "_ZN3FooB5cxx11IiE1fEv" } }
+template<>
+struct
+__attribute ((abi_tag("cxx11")))
+Foo<int>
+{
+  int f();
+};
+
+// { dg-final { scan-assembler "_ZN3FooIdE1fEv" } }
+template<>
+struct
+Foo<double>
+{
+  int f();
+};
+
+int main()
+{
+  Foo<int> f;
+  f.f();
+  Foo<char> f1;
+  f1.f();
+  Foo<double> f2;
+  f2.f();
+}
diff --git a/gcc/testsuite/g++.dg/cpp0x/pr31439.C b/gcc/testsuite/g++.dg/cpp0x/pr31439.C
index 9d22b56c2f8..c64bc3145b6 100644
--- a/gcc/testsuite/g++.dg/cpp0x/pr31439.C
+++ b/gcc/testsuite/g++.dg/cpp0x/pr31439.C
@@ -1,7 +1,7 @@
 // { dg-options "-std=c++0x" }
-template<typename...> struct A; // { dg-error "declaration" }
+template<typename...> struct A;
 
-template<char> struct A<> {}; // { dg-error "not used in partial specialization|anonymous" }
+template<char> struct A<> {}; // { dg-error "not used in partial specialization|anonymous|declaration" }
 
 template<typename T, typename... U> struct A<T, U...> : A<U...> {}; // { dg-error "incomplete type" }
 
diff --git a/gcc/testsuite/g++.dg/template/crash98.C b/gcc/testsuite/g++.dg/template/crash98.C
index e3c224df1d9..a79ab02f695 100644
--- a/gcc/testsuite/g++.dg/template/crash98.C
+++ b/gcc/testsuite/g++.dg/template/crash98.C
@@ -1,8 +1,8 @@
 // PR c++/43630
 
-template < typename > struct A; // { dg-error "declaration" }
+template < typename > struct A;
 
-template < typename > struct A < int > // { dg-error "not used|template\\-parameter" }
+template < typename > struct A < int > // { dg-error "not used|template\\-parameter|declaration" }
 {
   int i;
   int f ();
diff --git a/libstdc++-v3/testsuite/ext/type_traits/add_unsigned_integer_neg.cc b/libstdc++-v3/testsuite/ext/type_traits/add_unsigned_integer_neg.cc
index b976de022b4..bdd27cc85e1 100644
--- a/libstdc++-v3/testsuite/ext/type_traits/add_unsigned_integer_neg.cc
+++ b/libstdc++-v3/testsuite/ext/type_traits/add_unsigned_integer_neg.cc
@@ -36,4 +36,5 @@ int main()
 }
 
 // { dg-error "invalid use of incomplete" "" { target *-*-* } 28 } 
-// { dg-error "declaration of" "" { target *-*-* } 63 }
+// { dg-error "declaration of" "" { target *-*-* } 98 }
+// { dg-error "declaration of" "" { target *-*-* } 101 }
diff --git a/libstdc++-v3/testsuite/ext/type_traits/remove_unsigned_integer_neg.cc b/libstdc++-v3/testsuite/ext/type_traits/remove_unsigned_integer_neg.cc
index bd5c4237e02..099178ef1ce 100644
--- a/libstdc++-v3/testsuite/ext/type_traits/remove_unsigned_integer_neg.cc
+++ b/libstdc++-v3/testsuite/ext/type_traits/remove_unsigned_integer_neg.cc
@@ -36,4 +36,5 @@ int main()
 }
 
 // { dg-error "invalid use of incomplete" "" { target *-*-* } 28 } 
-// { dg-error "declaration of" "" { target *-*-* } 106 }
+// { dg-error "declaration of" "" { target *-*-* } 141 }
+// { dg-error "declaration of" "" { target *-*-* } 144 }