[PATCH] ipa-icf: skip variables with body_removed

[Martin Liška]

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

        PR ipa/105600

Patch can bootstrap on x86_64-linux-gnu and survives regression tests.

Ready to be installed?
Thanks,
Martin

gcc/ChangeLog:

        * ipa-icf.cc (sem_item_optimizer::filter_removed_items):
        Skip variables with body_removed.
---
 gcc/ipa-icf.cc | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/gcc/ipa-icf.cc b/gcc/ipa-icf.cc
index 765ae746745..6528a7a10b2 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);
            }
         }
     }
-- 
2.36.1