From 69b77a73f4e609883cd7a0946b407becd46bf918 Mon Sep 17 00:00:00 2001
From: Mahesh Bodapati <mbodapat@xilinx.com>
Date: Wed, 27 Feb 2019 15:12:32 +0530
Subject: [PATCH 27/43] Revert "ld: Remove unused expression state"

This reverts commit 65f14869fd3fbee8ed4c4ca49de8aaa86dbc66cb.

Conflicts:
	ld/ChangeLog
---
 ld/ldexp.c | 8 +++++---
 ld/ldexp.h | 1 +
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/ld/ldexp.c b/ld/ldexp.c
index 60b17ef576..dac4b52450 100644
--- a/ld/ldexp.c
+++ b/ld/ldexp.c
@@ -1354,6 +1354,7 @@ static etree_type *
 exp_assop (const char *dst,
 	   etree_type *src,
 	   enum node_tree_enum class,
+	   bfd_boolean defsym,
 	   bfd_boolean hidden)
 {
   etree_type *n;
@@ -1365,6 +1366,7 @@ exp_assop (const char *dst,
   n->assign.type.node_class = class;
   n->assign.src = src;
   n->assign.dst = dst;
+  n->assign.defsym = defsym;
   n->assign.hidden = hidden;
   return n;
 }
@@ -1374,7 +1376,7 @@ exp_assop (const char *dst,
 etree_type *
 exp_assign (const char *dst, etree_type *src, bfd_boolean hidden)
 {
-  return exp_assop (dst, src, etree_assign, hidden);
+  return exp_assop (dst, src, etree_assign, FALSE, hidden);
 }
 
 /* Handle --defsym command-line option.  */
@@ -1382,7 +1384,7 @@ exp_assign (const char *dst, etree_type *src, bfd_boolean hidden)
 etree_type *
 exp_defsym (const char *dst, etree_type *src)
 {
-  return exp_assop (dst, src, etree_assign, FALSE);
+  return exp_assop (dst, src, etree_assign, TRUE, FALSE);
 }
 
 /* Handle PROVIDE.  */
@@ -1390,7 +1392,7 @@ exp_defsym (const char *dst, etree_type *src)
 etree_type *
 exp_provide (const char *dst, etree_type *src, bfd_boolean hidden)
 {
-  return exp_assop (dst, src, etree_provide, hidden);
+  return exp_assop (dst, src, etree_provide, FALSE, hidden);
 }
 
 /* Handle ASSERT.  */
diff --git a/ld/ldexp.h b/ld/ldexp.h
index 71395bc6c4..f94b00aedb 100644
--- a/ld/ldexp.h
+++ b/ld/ldexp.h
@@ -66,6 +66,7 @@ typedef union etree_union {
     node_type type;
     const char *dst;
     union etree_union *src;
+    bfd_boolean defsym;
     bfd_boolean hidden;
   } assign;
   struct {
-- 
2.17.1