Don't treat object properties as potential JS contructors without JSDoc class tag (#49735)

tests/cases/compiler/objectPropertyAsClass.ts

@@ -0,0 +1,30 @@
+// @allowJs: true
+// @noEmit: true
+// @checkJs: true
+
+// @filename: index.js
+const a1 = {
+    foo() {
+        this.x = 0;
+    }
+}
+
+const a2 = {
+    foo: function() {
+        this.x = 0;
+    }
+}
+
+const b1 = {
+    /** @class */
+    foo() {
+        this.x = 0;
+    }
+}
+
+const b2 = {
+    /** @class */
+    foo: function() {
+        this.x = 0;
+    }
+}

tests/cases/compiler/thisInObjectJs.ts

@@ -0,0 +1,21 @@
+// @allowJs: true
+// @outDir: out
+
+// @filename: index.js
+export { }
+let obj = {
+  x: 10,
+  y: [1],
+  fun: function() {
+    this.x = 1
+    this/*1*/
+  },
+  f2: function() {
+    this.x
+    this/*2*/
+  },
+  f3: (function() {
+    this.x = 1
+    this/*3*/
+  }),
+}