Adding test case

tests/baselines/reference/typeGuardsWithAny.js

@@ -0,0 +1,12 @@
+//// [typeGuardsWithAny.ts]
+var x: any = { p: 0 };
+if (x instanceof Object) {
+    x.p; // No error, type any is not narrowed
+}
+
+
+//// [typeGuardsWithAny.js]
+var x = { p: 0 };
+if (x instanceof Object) {
+    x.p; // No error, type any is not narrowed
+}

tests/baselines/reference/typeGuardsWithAny.types

@@ -0,0 +1,17 @@
+=== tests/cases/conformance/expressions/typeGuards/typeGuardsWithAny.ts ===
+var x: any = { p: 0 };
+>x : any
+>{ p: 0 } : { p: number; }
+>p : number
+
+if (x instanceof Object) {
+>x instanceof Object : boolean
+>x : any
+>Object : ObjectConstructor
+
+    x.p; // No error, type any is not narrowed
+>x.p : any
+>x : any
+>p : any
+}
+

tests/cases/conformance/expressions/typeGuards/typeGuardsWithAny.ts

@@ -0,0 +1,4 @@
+var x: any = { p: 0 };
+if (x instanceof Object) {
+    x.p; // No error, type any is not narrowed
+}