From: Jason Merrill <jason@redhat.com>
Date: Thu, 10 May 2018 18:40:55 +0000 (-0400)
Subject: Make sure we aren't trying to do a nested instantiation in template context.
X-Git-Tag: upstream/12.2.0~31912
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5d7b4c6fe9b1d69417c0c2e8f618603d2d93b2d3;p=platform%2Fupstream%2Fgcc.git

Make sure we aren't trying to do a nested instantiation in template context.

	* pt.c (instantiate_decl): Make sure we aren't trying to do a nested
	instantiation in template context.

From-SVN: r260124
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index d175277..02d35cb 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,8 @@
 2018-05-09  Jason Merrill  <jason@redhat.com>
 
+	* pt.c (instantiate_decl): Make sure we aren't trying to do a nested
+	instantiation in template context.
+
 	* class.c (vbase_has_user_provided_move_assign): Use
 	user_provided_p.
 
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index e8346d3..790d6ea 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -23886,6 +23886,7 @@ instantiate_decl (tree d, bool defer_ok, bool expl_inst_class_mem_p)
     push_to_top_level ();
   else
     {
+      gcc_assert (!processing_template_decl);
       push_function_context ();
       cp_unevaluated_operand = 0;
       c_inhibit_evaluation_warnings = 0;