Author: James M Snell <jasnell@gmail.com>
Date:   Tue Aug 14 19:36:25 2018 -0700

    [Squash] add `process.binding('spawn_sync')` to fallthrough whitelist

diff --git a/lib/internal/bootstrap/node.js b/lib/internal/bootstrap/node.js
index 08daeb1915..ffae6e4cd9 100644
--- a/lib/internal/bootstrap/node.js
+++ b/lib/internal/bootstrap/node.js
@@ -327,7 +327,7 @@
     // that are whitelisted for access via process.binding()... this is used
     // to provide a transition path for modules that are being moved over to
     // internalBinding.
-    const internalBindingWhitelist = new SafeSet(['uv']);
+    const internalBindingWhitelist = new SafeSet(['uv', 'spawn_sync']);
     process.binding = function binding(name) {
       return internalBindingWhitelist.has(name) ?
         internalBinding(name) :
diff --git a/test/parallel/test-process-binding-internalbinding-whitelist.js b/test/parallel/test-process-binding-internalbinding-whitelist.js
index ece967a0b7..cc0119917d 100644
--- a/test/parallel/test-process-binding-internalbinding-whitelist.js
+++ b/test/parallel/test-process-binding-internalbinding-whitelist.js
@@ -7,3 +7,4 @@ const assert = require('assert');
 // Assert that whitelisted internalBinding modules are accessible via
 // process.binding().
 assert(process.binding('uv'));
+assert(process.binding('spawn_sync'));