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authorJan Hubicka <hubicka@ucw.cz>2015-03-05 22:26:44 +0100
committerJan Hubicka <hubicka@gcc.gnu.org>2015-03-05 21:26:44 +0000
commitab038a807dcebed2e81592ca10031b3c5033b718 (patch)
tree11025947cf4fb3b3d604bb1f53a2fa1e1055b097 /gcc
parent34349d557a00b1748d36da6e4cd460295febd244 (diff)
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* ipa-icf.c (sem_variable::equals_wpa): Check FINAL flags.
From-SVN: r221226
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog4
-rw-r--r--gcc/ipa-icf.c12
2 files changed, 16 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c4496f5..9d2e92b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2015-03-05 Jan Hubicka <hubicka@ucw.cz>
+
+ * ipa-icf.c (sem_variable::equals_wpa): Check FINAL flags.
+
2015-03-05 Vladimir Makarov <vmakarov@redhat.com>
PR target/64342
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;