From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bin Meng <bmeng.cn@gmail.com>
Date: Tue, 25 Sep 2018 10:06:52 +0800
Subject: [U-Boot] [PATCH v2 07/13] x86: Fix signed shift overflow in
	MSR_IA32_APICBASE_BASE
In-Reply-To: <20180922231041.GA28983@x230>
References: <20180826231332.2491-1-erosca@de.adit-jv.com>
 <20180826231332.2491-8-erosca@de.adit-jv.com>
 <CAEUhbmXAWbmhJuBmKNXnGATh8aMiHXS3ECoQEfncZ75F4afRPQ@mail.gmail.com>
 <20180828064201.GA4030@x230> <20180901105909.GA17126@x230>
 <CAEUhbmW5GktsYq3trcZnaQJ+epQrhNVv9GXi93ShfYOiwbtZnA@mail.gmail.com>
 <20180916184639.GA30296@x230> <20180922231041.GA28983@x230>
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Hi Eugeniu,

On Sun, Sep 23, 2018 at 7:10 AM Eugeniu Rosca <roscaeugeniu@gmail.com> wrote:
>
> Hi Bin,
>
> jFYI, I've created https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87392
> ("UBSAN behavior on left-shifting 1 into the sign bit is dependent on C
> standard"), to get some recommendation from GCC guys how to handle
> these warnings in U-Boot.

Thank you very much for following up with the gcc folks! Let's see how
they respond.

BTW: your bug report is elaborate. Well done on the research!

Regards,
Bin