From f923c40f9baba19e58f65afa7e5572f08cee93ff Mon Sep 17 00:00:00 2001
From: Jason Merrill <jason@redhat.com>
Date: Wed, 2 Sep 2020 17:53:24 -0400
Subject: [PATCH] c++: Use iloc_sentinel in mark_use.

gcc/cp/ChangeLog:

	* expr.c (mark_use): Use iloc_sentinel.
---
 gcc/cp/expr.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/gcc/cp/expr.c b/gcc/cp/expr.c
index a6ab96af614..aa605931f97 100644
--- a/gcc/cp/expr.c
+++ b/gcc/cp/expr.c
@@ -139,9 +139,7 @@ mark_use (tree expr, bool rvalue_p, bool read_p,
 		  break;
 		}
 	    }
-	  temp_override<location_t> l (input_location);
-	  if (loc != UNKNOWN_LOCATION)
-	    input_location = loc;
+	  iloc_sentinel l (loc);
 	  expr = process_outer_var_ref (expr, tf_warning_or_error, true);
 	  if (!(TREE_TYPE (oexpr)
 		&& TYPE_REF_P (TREE_TYPE (oexpr))))
-- 
2.30.2