[NFC][lldb] Silence unused variable warning

diff --git a/lldb/source/Host/common/PseudoTerminal.cpp b/lldb/source/Host/common/PseudoTerminal.cpp
index c5f101c..de76e8a 100644 (file)
--- a/lldb/source/Host/common/PseudoTerminal.cpp
+++ b/lldb/source/Host/common/PseudoTerminal.cpp
@@ -106,6 +106,7 @@ std::string PseudoTerminal::GetSecondaryName() const {
   char buf[PATH_MAX];
   buf[0] = '\0';
   int r = ptsname_r(m_primary_fd, buf, sizeof(buf));
+  (void)r;
   assert(r == 0);
   return buf;
 #else