<p dir="ltr">Might be useful to explain in the comment why the variable is there?</p>
<div class="gmail_quote">On Mar 1, 2016 7:41 AM, "Dmitry Vyukov via llvm-commits" <<a href="mailto:llvm-commits@lists.llvm.org">llvm-commits@lists.llvm.org</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">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>
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc<br>
<br>
Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc<br>
URL: <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>
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc (original)<br>
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc Tue 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>
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</blockquote></div>