From: Martin Liska <mliska@suse.cz>
Date: Wed, 18 May 2022 13:07:53 +0000 (+0200)
Subject: ipa-icf: skip variables with body_removed
X-Git-Tag: releases/gcc-12.2.0~188
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c600ff8dc5a870d952c9c63fe4fa4535b9f0a488;p=thirdparty%2Fgcc.git

ipa-icf: skip variables with body_removed

Similarly to cgraph_nodes, it may happen that body_removed is set
during merging of symbols.

	PR ipa/105600

gcc/ChangeLog:

	* ipa-icf.cc (sem_item_optimizer::filter_removed_items):
	Skip variables with body_removed.

(cherry picked from commit 31ce821a790caec8a2849dd67a9847e78a33d14c)
---

diff --git a/gcc/ipa-icf.cc b/gcc/ipa-icf.cc
index 765ae7467458..6528a7a10b26 100644
--- a/gcc/ipa-icf.cc
+++ b/gcc/ipa-icf.cc
@@ -2411,10 +2411,11 @@ sem_item_optimizer::filter_removed_items (void)
 	    {
 	      /* Filter out non-readonly variables.  */
 	      tree decl = item->decl;
-	      if (TREE_READONLY (decl))
-		filtered.safe_push (item);
-	      else
+	      varpool_node *vnode = static_cast <sem_variable *>(item)->get_node ();
+	      if (!TREE_READONLY (decl) || vnode->body_removed)
 		remove_item (item);
+	      else
+		filtered.safe_push (item);
 	    }
         }
     }