lib: add process to internal module wrapper

Share `process` through the module wrapper rather than relying
on nobody messing with `global.process`.

Backport-PR-URL: #19006
PR-URL: #17198
Fixes: #6802
Reviewed-By: Ben Noordhuis <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Lance Ball <[email protected]>
Reviewed-By: Anatoli Papirovski <[email protected]>
Reviewed-By: Joyee Cheung <[email protected]>
Reviewed-By: Alexey Orlenko <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Timothy Gu <[email protected]>
Reviewed-By: Refael Ackermann <[email protected]>

lib/internal/bootstrap_node.js

@@ -634,7 +634,7 @@
   };
 
   NativeModule.wrapper = [
-    '(function (exports, require, module, internalBinding) {',
+    '(function (exports, require, module, internalBinding, process) {',
     '\n});'
   ];
 
@@ -650,7 +650,7 @@
         lineOffset: 0,
         displayErrors: true
       });
-      fn(this.exports, NativeModule.require, this, internalBinding);
+      fn(this.exports, NativeModule.require, this, internalBinding, process);
 
       this.loaded = true;
     } finally {

test/parallel/test-repl-let-process.js

@@ -0,0 +1,10 @@
+'use strict';
+const common = require('../common');
+const repl = require('repl');
+
+common.globalCheck = false;
+
+// Regression test for https://github.com/nodejs/node/issues/6802
+const input = new common.ArrayStream();
+repl.start({ input, output: process.stdout, useGlobal: true });
+input.run(['let process']);