win: support x64 reading x86 (wow64)

snapshot/snapshot_test.gyp

Index: snapshot/snapshot_test.gyp
diff --git a/snapshot/snapshot_test.gyp b/snapshot/snapshot_test.gyp
index 234990071311b69505399003ba392e3cb53457b4..39c668b8bd7556ab82017ae84fd70dc6ba0712b0 100644
--- a/snapshot/snapshot_test.gyp
+++ b/snapshot/snapshot_test.gyp
@@ -50,6 +50,7 @@
       'target_name': 'crashpad_snapshot_test',
       'type': 'executable',
       'dependencies': [
+        'crashpad_snapshot_test_crashing_child',
         'crashpad_snapshot_test_module',
         'snapshot.gyp:crashpad_snapshot',
         '../client/client.gyp:crashpad_client',
@@ -129,5 +130,22 @@
         },
       ],
     }],
+    ['OS=="win"', {
+      'targets': [
+        {
+          'target_name': 'crashpad_snapshot_test_crashing_child',
+          'type': 'executable',
+          'dependencies': [
+            '../client/client.gyp:crashpad_client',
+            '../compat/compat.gyp:crashpad_compat',
+            '../third_party/mini_chromium/mini_chromium.gyp:base',
+            '../util/util.gyp:crashpad_util',
+          ],
+          'sources': [
+            'win/crashpad_snapshot_test_crashing_child.cc',
+          ],
+        },
+      ],
+    }],
   ],
 }