LD_PRELOAD libasan for node

.travis.yml

@@ -226,12 +226,18 @@ script:
   - |
     if [ -n "${ENABLE_NODE_BINDINGS}" ]; then
 
-      echo ">>> symbol-tag-node-osrm"
-      nm -D ../lib/binding/node-osrm.node | c++filt
-      echo ">>> symbol-tag-libosrm"
-      nm libosrm.a | c++filt
+      if [ -n "${ENABLE_SANITIZER}" ]; then
+        # Node module compiled with sanitizer needs to preload libasan,
+        # otherwise sanitizer-internal symbols will not be found.
+        # This is due to how node loads our node binding shared object.
+        export LD_PRELOAD='/usr/lib/x86_64-linux-gnu/libasan.so.2'
+      fi
 
       npm run nodejs-tests
+
+      if [ -n "${ENABLE_SANITIZER}" ]; then
+        unset LD_PRELOAD
+      fi
     fi
   - popd
   - yarn test