perform function name inference on functions in properties before they're properly visited - fixes #1860

src/babel/transformation/transformers/spec/function-name.js

@@ -4,8 +4,24 @@ export var metadata = {
   group: "builtin-basic"
 };
 
+// visit Property functions first - https://github.com/babel/babel/issues/1860
 export var visitor = {
   "ArrowFunctionExpression|FunctionExpression": {
-    exit: bare
+    exit() {
+      if (!this.parentPath.isProperty()) {
+        return bare.apply(this, arguments);
+      }
+    }
+  },
+
+  ObjectExpression() {
+    var props = this.get("properties");
+    for (var prop of (props: Array)) {
+      var value = prop.get("value");
+      if (value.isFunction()) {
+        var newNode = bare(value.node, prop.node, value.scope);
+        if (newNode) value.replaceWith(newNode);
+      }
+    }
   }
 };