Use old memcpy for wrappers
diff --git a/binding.gyp b/binding.gyp
index 133f8f4..0e4181c 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -528,6 +528,7 @@
         'src/core/support/time_precise.c',
         'src/core/support/time_win32.c',
         'src/core/support/tls_pthread.c',
+        'src/core/support/wrap_memcpy.c',
       ],
       "conditions": [
         ['OS == "mac"', {
@@ -743,6 +744,11 @@
             "boringssl",
             "z",
           ]
+        }],
+        ['OS=="linux"', {
+          'ldflags': [
+            '-Wl,-wrap,memcpy'
+          ]
         }]
       ],
       "target_name": "grpc_node",