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Date: Tue, 16 Apr 2019 12:55:00 -0000
From: Jan Hubicka <hubicka@ucw.cz>
To: Dominique =?utf-8?Q?d'Humi=C3=A8res?= <dominiq@lps.ens.fr>
Cc: gcc-patches <gcc-patches@gcc.gnu.org>
Subject: Re: Fix false -Wodr warnings
Message-ID: <20190416125114.uofbvksbpxbzo5au@kam.mff.cuni.cz>
References: <553C9698-9DAE-4C8F-A7EE-2402EBA68934@lps.ens.fr>
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> Hi Jan,
> 
> The test causes
> 
> WARNING: lto.exp does not support dg-do
> WARNING: lto.exp does not support dg-options in primary source file
> 
> This is fixed by the following patch
> 
> --- ../_clean/gcc/testsuite/g++.dg/lto/pr89358_0.C	2019-04-15 00:04:48.000000000 +0200
> +++ gcc/testsuite/g++.dg/lto/pr89358_0.C	2019-04-16 13:13:14.000000000 +0200
> @@ -1,5 +1,5 @@
> -/* { dg-do link } */
> -/* { dg-options "-std=c++17"  } */
> +/* { dg-lto-do link } */
> +/* { dg-lto-options "-std=c++17"  } */

Thanks, this changle is OK.
Honza
>  #include <map>
>  
>  extern void test();
> --- ../_clean/gcc/testsuite/g++.dg/lto/pr89358_1.C	2019-04-15 00:04:48.000000000 +0200
> +++ gcc/testsuite/g++.dg/lto/pr89358_1.C	2019-04-16 13:14:44.000000000 +0200
> @@ -1,4 +1,3 @@
> -/* { dg-options "-std=c++14"  } */
>  #include <map>
>  
>  void test()
> 
> TIA
> 
> Dominique