Hi!
Honza has acked this patch on IRC, so I've committed it to trunk after
bootstrap/regtest on x86_64-linux and i686-linux.
2014-04-10 Jan Hubicka <hubi...@ucw.cz>
Jakub Jelinek <ja...@redhat.com>
PR lto/60567
* ipa.c (function_and_variable_visibility): Copy forced_by_abi flag from
decl_node to node.
* g++.dg/lto/pr60567_0.C: New test.
--- gcc/ipa.c.jj 2014-04-10 12:17:06.000000000 +0200
+++ gcc/ipa.c 2014-04-10 16:27:41.546991476 +0200
@@ -1032,6 +1032,7 @@ function_and_variable_visibility (bool w
== DECL_COMDAT_GROUP (decl_node->decl));
gcc_checking_assert (node->same_comdat_group);
}
+ node->forced_by_abi = decl_node->forced_by_abi;
if (DECL_EXTERNAL (decl_node->decl))
DECL_EXTERNAL (node->decl) = 1;
}
--- gcc/testsuite/g++.dg/lto/pr60567_0.C.jj 2014-04-10 12:04:07.227797680
+0200
+++ gcc/testsuite/g++.dg/lto/pr60567_0.C 2014-04-10 12:06:18.063099605
+0200
@@ -0,0 +1,23 @@
+// PR lto/60567
+// { dg-lto-do link }
+// { dg-lto-options { { -flto -fno-use-linker-plugin } } }
+// { dg-extra-ld-options "-r -nostdlib" }
+
+#pragma implementation
+struct S {};
+
+#pragma interface
+struct T
+{
+ virtual void foo (const S &) = 0;
+};
+
+struct U
+{
+ virtual void bar (const S &) = 0;
+};
+
+struct V : public T, public U
+{
+ virtual void bar (const S &) {}
+};
Jakub
