re PR c++/77285 (extern thread_local linkage)

	PR c++/77285
	* mangle.c (mangle_tls_init_fn, mangle_tls_wrapper_fn): Call
	check_abi_tags.

	* g++.dg/tls/pr77285-1.C: New test.
	* g++.dg/tls/pr77285-2.C: New test.

From-SVN: r242607

gcc/cp/ChangeLog

+2016-11-18  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/77285
+	* mangle.c (mangle_tls_init_fn, mangle_tls_wrapper_fn): Call
+	check_abi_tags.
+
 2016-11-18  Jason Merrill  <jason@redhat.com>
 
 	PR c++/67631 - list-init and explicit conversions

gcc/cp/mangle.c

@@ -4301,6 +4301,7 @@ mangle_guard_variable (const tree variable)
 tree
 mangle_tls_init_fn (const tree variable)
 {
+  check_abi_tags (variable);
   start_mangling (variable);
   write_string ("_ZTH");
   write_guarded_var_name (variable);
@@ -4315,6 +4316,7 @@ mangle_tls_init_fn (const tree variable)
 tree
 mangle_tls_wrapper_fn (const tree variable)
 {
+  check_abi_tags (variable);
   start_mangling (variable);
   write_string (TLS_WRAPPER_PREFIX);
   write_guarded_var_name (variable);

gcc/testsuite/ChangeLog

+2016-11-18  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/77285
+	* g++.dg/tls/pr77285-1.C: New test.
+	* g++.dg/tls/pr77285-2.C: New test.
+
 2016-11-18  Jeff Law  <law@redhat.com>
 
 	PR target/25112

gcc/testsuite/g++.dg/tls/pr77285-1.C

+// { dg-do link { target c++11 } }
+// { dg-require-effective-target tls }
+// { dg-additional-sources pr77285-2.C }
+
+struct __attribute__((abi_tag("tag"))) X { ~X () {} int i = 0; };
+thread_local X var1;
+X var2;

gcc/testsuite/g++.dg/tls/pr77285-2.C

+// PR c++/77285
+// { dg-do compile { target c++11 } }
+// { dg-require-effective-target tls }
+// { dg-final { scan-assembler "_Z4var1B3tag" } }
+// { dg-final { scan-assembler "_Z4var2B3tag" } }
+// { dg-final { scan-assembler "_ZTH4var1B3tag" } }
+// { dg-final { scan-assembler "_ZTW4var1B3tag" } }
+
+struct __attribute__((abi_tag("tag"))) X { ~X () {} int i = 0; };
+extern thread_local X var1;
+extern X var2;
+
+int
+main ()
+{
+ return var1.i + var2.i;
+}