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-rw-r--r--gcc/ipa-icf.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/ipa-icf.c b/gcc/ipa-icf.c
index a7f19d6..7c4c852e 100644
--- a/gcc/ipa-icf.c
+++ b/gcc/ipa-icf.c
@@ -1480,6 +1480,18 @@ sem_variable::equals_wpa (sem_item *item,
ref->referred, ref2->referred,
ref->address_matters_p ()))
return false;
+
+ /* DECL_FINAL_P flag on methods referred by virtual tables is used
+ to decide on completeness possible_polymorphic_call_targets lists
+ and therefore it must match. */
+ if ((DECL_VIRTUAL_P (decl) || DECL_VIRTUAL_P (item->decl))
+ && (DECL_VIRTUAL_P (ref->referred->decl)
+ || DECL_VIRTUAL_P (ref2->referred->decl))
+ && ((DECL_VIRTUAL_P (ref->referred->decl)
+ != DECL_VIRTUAL_P (ref2->referred->decl))
+ || (DECL_FINAL_P (ref->referred->decl)
+ != DECL_FINAL_P (ref2->referred->decl))))
+ return return_false_with_msg ("virtual or final flag mismatch");
}
return true;