fix(core): wrong this in function call expr in optional chains

packages/core/index.ts

@@ -52,4 +52,4 @@ export function transform(source: string, path: string, options?: Options) {
   return bindings.transform(source, path, transformOption(path, options))
 }
 
-export const SWC_VERSION = '1.2.22'
+export const SWC_VERSION = '57112fc'

packages/integrate/__tests__/optional-call/optional-chain-function-call.spec.ts

@@ -0,0 +1,17 @@
+import test from 'ava'
+
+test('optional chain function call', (t) => {
+  const obj = {
+    a: {
+      b: {
+        c: function () {
+          return this.foo
+        },
+        foo: 2,
+      },
+      foo: 1,
+    },
+  }
+
+  t.is(obj?.a?.b?.c(), 2)
+})