fix(45417): show inlay hints for null and literal-like identifiers (#45426)

src/compiler/checker.ts

@@ -26311,10 +26311,6 @@ namespace ts {
             return isTypeAssignableToKind(checkComputedPropertyName(name), TypeFlags.NumberLike);
         }
 
-        function isInfinityOrNaNString(name: string | __String): boolean {
-            return name === "Infinity" || name === "-Infinity" || name === "NaN";
-        }
-
         function isNumericLiteralName(name: string | __String) {
             // The intent of numeric names is that
             //     - they are names with text in a numeric form, and that

src/compiler/utilities.ts

@@ -7367,4 +7367,9 @@ namespace ts {
         }
         return false;
     }
+
+    /* @internal */
+    export function isInfinityOrNaNString(name: string | __String): boolean {
+        return name === "Infinity" || name === "-Infinity" || name === "NaN";
+    }
 }