<div dir="ltr">Ah, OK - thanks :)</div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Mar 1, 2016 at 8:02 AM, Dmitry Vyukov <span dir="ltr"><<a href="mailto:dvyukov@google.com" target="_blank">dvyukov@google.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">It was obvious when I looked at the source file: the variable is used<br>
in a macro that can be expanded to nothing. Commit bot provided too<br>
small context for the change. Sorry.<br>
<div class="HOEnZb"><div class="h5"><br>
<br>
<br>
On Tue, Mar 1, 2016 at 4:53 PM, David Blaikie <<a href="mailto:dblaikie@gmail.com">dblaikie@gmail.com</a>> wrote:<br>
> Might be useful to explain in the comment why the variable is there?<br>
><br>
> On Mar 1, 2016 7:41 AM, "Dmitry Vyukov via llvm-commits"<br>
> <<a href="mailto:llvm-commits@lists.llvm.org">llvm-commits@lists.llvm.org</a>> wrote:<br>
>><br>
>> Author: dvyukov<br>
>> Date: Tue Mar  1 09:36:42 2016<br>
>> New Revision: 262342<br>
>><br>
>> URL: <a href="http://llvm.org/viewvc/llvm-project?rev=262342&view=rev" rel="noreferrer" target="_blank">http://llvm.org/viewvc/llvm-project?rev=262342&view=rev</a><br>
>> Log:<br>
>> sanitizer_common: silence compiler warning<br>
>><br>
>><br>
>> Modified:<br>
>><br>
>> compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc<br>
>><br>
>> Modified:<br>
>> compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc<br>
>> URL:<br>
>> <a href="http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc?rev=262342&r1=262341&r2=262342&view=diff" rel="noreferrer" target="_blank">http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc?rev=262342&r1=262341&r2=262342&view=diff</a><br>
>><br>
>> ==============================================================================<br>
>> ---<br>
>> compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc<br>
>> (original)<br>
>> +++<br>
>> compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc Tue<br>
>> Mar  1 09:36:42 2016<br>
>> @@ -5354,6 +5354,7 @@ INTERCEPTOR(SSIZE_T, recvfrom, int fd, v<br>
>>    COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);<br>
>>    SIZE_T srcaddr_sz;<br>
>>    if (srcaddr) srcaddr_sz = *addrlen;<br>
>> +  (void)srcaddr_sz;  // prevent "set but not used" warning<br>
>>    SSIZE_T res = REAL(recvfrom)(fd, buf, len, flags, srcaddr, addrlen);<br>
>>    if (res > 0) {<br>
>>      COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, res);<br>
>><br>
>><br>
>> _______________________________________________<br>
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</div></div></blockquote></div><br></div>