From 8348547afcc43bea152a4890d85b3132ba6bfb3c Mon Sep 17 00:00:00 2001
From: Richard Stallman <rms@gnu.org>
Date: Wed, 8 Sep 1993 10:36:19 +0000
Subject: [PATCH] (output_init_element): When adding to
 constructor_pending_elts, copy field.

From-SVN: r5281
---
 gcc/c-typeck.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c
index 40207c4404e..db66823719c 100644
--- a/gcc/c-typeck.c
+++ b/gcc/c-typeck.c
@@ -5822,8 +5822,10 @@ output_init_element (value, type, field, pending)
       && !tree_int_cst_equal (field, constructor_unfilled_index))
     {
       if (! duplicate)
+	/* The copy_node is needed in case field is actually
+	   constructor_index, which is modified in place.  */
 	constructor_pending_elts
-	  = tree_cons (field,
+	  = tree_cons (copy_node (field),
 		       digest_init (type, value, 0, 0),
 		       constructor_pending_elts);
     }
-- 
2.30.2