Adding test

tests/cases/conformance/expressions/functionCalls/typeArgumentInferenceWithObjectLiteral.ts

@@ -0,0 +1,18 @@
+interface Computed<T> {
+    read(): T;
+    write(value: T);
+}
+
+function foo<T>(x: Computed<T>) { }
+
+var s: string;
+
+// Calls below should infer string for T and then assign that type to the value parameter
+foo({
+    read: () => s,
+    write: value => s = value
+});
+foo({
+    write: value => s = value,
+    read: () => s
+});