From a23f90493ebe3378ede644d1500146614dcc62e9 Mon Sep 17 00:00:00 2001
From: Jason Merrill <jason@redhat.com>
Date: Tue, 19 Jul 2016 23:33:21 -0400
Subject: 	Shortcut get_constraints when !flag_concepts.

---
 gcc/cp/pt.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'gcc/cp/pt.c')

diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index a3b5b0a2f0c..4e9c386d8fb 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -24482,6 +24482,9 @@ static GTY (()) hash_table<constr_hasher> *decl_constraints;
 tree
 get_constraints (tree t)
 {
+  if (!flag_concepts)
+    return NULL_TREE;
+
   gcc_assert (DECL_P (t));
   if (TREE_CODE (t) == TEMPLATE_DECL)
     t = DECL_TEMPLATE_RESULT (t);
@@ -24503,7 +24506,7 @@ set_constraints (tree t, tree ci)
 {
   if (!ci)
     return;
-  gcc_assert (t);
+  gcc_assert (t && flag_concepts);
   if (TREE_CODE (t) == TEMPLATE_DECL)
     t = DECL_TEMPLATE_RESULT (t);
   gcc_assert (!get_constraints (t));
-- 
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