Fix most compilation warnings for gcc, clang, release, debug.

src/ripple/app/ledger/LedgerEntrySet.cpp

@@ -1440,6 +1440,7 @@ TER LedgerEntrySet::rippleCredit (
     // Make sure issuer is involved.
     assert (
         !bCheckIssuer || uSenderID == issuer || uReceiverID == issuer);
+    (void) issuer;
 
     // Disallow sending to self.
     assert (uSenderID != uReceiverID);

src/ripple/app/paths/cursor/Liquidity.cpp

@@ -26,7 +26,7 @@ namespace path {
 
 TER PathCursor::liquidity (LedgerEntrySet const& lesCheckpoint) const
 {
-    TER resultCode;
+    TER resultCode = tecPATH_DRY;
     PathCursor pc = *this;
 
     ledger() = lesCheckpoint.duplicate ();

src/ripple/app/shamap/RadixMapTest.cpp

@@ -41,6 +41,7 @@ void add_random_items (std::size_t n, Table& t, beast::Random& r)
             make_random_item (r));
         auto const result (t.addItem (*item, false, false));
         assert (result);
+        (void) result;
     }
 }
 

src/ripple/app/websocket/WSServerHandler.h

@@ -202,6 +202,7 @@ public:
                     std::make_shared < WSConnectionType <endpoint_type> > (std::ref(m_resourceManager),
                     std::ref (m_source), std::ref(*this), std::cref(cpClient))));
             assert (result.second);
+            (void) result.second;
             WriteLog (lsDEBUG, WSServerHandlerLog) <<
                 "Ws:: on_open(" << cpClient->get_socket ().remote_endpoint ().to_string () << ")";
         }

src/ripple/core/JobTypes.h

@@ -221,6 +221,7 @@ private:
                 avgLatency, peakLatency)));
 
         assert (result.second == true);
+        (void) result.second;
     }
 
     JobTypeInfo m_unknown;

src/ripple/core/impl/JobQueue.cpp

@@ -96,6 +96,7 @@ public:
                     std::forward_as_tuple (jt.type ()),
                     std::forward_as_tuple (jt, m_collector)));
                 assert (result.second == true);
+                (void) result.second;
             }
         }
     }

src/ripple/http/impl/ServerImpl.cpp

@@ -269,7 +269,7 @@ ServerImpl::on_update ()
         for (Ports::const_iterator port (ports.begin());
             port != ports.end(); ++port)
         {
-            int comp;
+            int comp = 0;
 
             while (door != m_doors.end() &&
                     ((comp = compare (*port, (*door)->port())) > 0))

src/ripple/overlay/impl/OverlayImpl.cpp

@@ -127,6 +127,7 @@ OverlayImpl::accept (bool proxyHandshake, socket_type&& socket)
             std::pair <PeersBySlot::iterator, bool> const result (
                 m_peers.emplace (slot, peer));
             assert (result.second);
+            (void) result.second;
         }
         ++m_child_count;
 
@@ -166,6 +167,7 @@ OverlayImpl::connect (beast::IP::Endpoint const& remote_endpoint)
             std::pair <PeersBySlot::iterator, bool> const result (
                 m_peers.emplace (slot, peer));
             assert (result.second);
+            (void) result.second;
         }
         ++m_child_count;
 
@@ -476,6 +478,7 @@ OverlayImpl::onPeerActivated (Peer::ptr const& peer)
                 std::make_tuple (peer->getShortId()),
                     std::make_tuple (peer)));
         assert(result.second);
+        (void) result.second;
     }
 
     {
@@ -484,6 +487,7 @@ OverlayImpl::onPeerActivated (Peer::ptr const& peer)
                 std::make_tuple (peer->getNodePublic()),
                     std::make_tuple (peer)));
         assert(result.second);
+        (void) result.second;
     }
 
     m_journal.debug <<

src/ripple/peerfinder/impl/Logic.h

@@ -454,6 +454,7 @@ public:
                 state->keys.insert (key));
             // Public key must not already exist
             assert (result.second);
+            (void) result.second;
 
             // Change state and update counts
             state->counts.remove (*slot);