From 47297e51f5c84a72bbe4c1bf2542d1c859222d84 Mon Sep 17 00:00:00 2001
From: Jason Merrill <jason@redhat.com>
Date: Tue, 30 Jun 2015 11:40:38 -0400
Subject: [PATCH] re PR debug/66653 (ice in gen_type_die_with_usage, at
 dwarf2out.c:20876)

	PR debug/66653
	* decl2.c (is_late_template_attribute): True for tls_model.

From-SVN: r225193
---
 gcc/cp/ChangeLog                      | 3 +++
 gcc/cp/decl2.c                        | 4 ++++
 gcc/testsuite/g++.dg/tls/tls_model1.C | 8 ++++++++
 3 files changed, 15 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/tls/tls_model1.C

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index cdb37c4..4d9b5a6 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,6 +1,9 @@
 2015-06-30  Jason Merrill  <jason@redhat.com>
 
 	PR debug/66653
+	* decl2.c (is_late_template_attribute): True for tls_model.
+
+	PR debug/66653
 	* cp-tree.h (CP_DECL_THREAD_LOCAL_P): New.
 	(DECL_GNU_TLS_P): Use DECL_LANG_SPECIFIC field.
 	(SET_DECL_GNU_TLS_P): New.
diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c
index 5032333..0332aa2 100644
--- a/gcc/cp/decl2.c
+++ b/gcc/cp/decl2.c
@@ -1164,6 +1164,10 @@ is_late_template_attribute (tree attr, tree decl)
   if (is_attribute_p ("unused", name))
     return false;
 
+  /* Attribute tls_model wants to modify the symtab.  */
+  if (is_attribute_p ("tls_model", name))
+    return true;
+
   /* #pragma omp declare simd attribute needs to be always deferred.  */
   if (flag_openmp
       && is_attribute_p ("omp declare simd", name))
diff --git a/gcc/testsuite/g++.dg/tls/tls_model1.C b/gcc/testsuite/g++.dg/tls/tls_model1.C
new file mode 100644
index 0000000..a1520a1
--- /dev/null
+++ b/gcc/testsuite/g++.dg/tls/tls_model1.C
@@ -0,0 +1,8 @@
+// { dg-require-effective-target tls }
+// { dg-options "-g" }
+
+template <class T>
+void f()
+{
+  static __thread int i __attribute ((tls_model ("local-exec")));
+}
-- 
2.7.4