Fix self-check (hmm?)

Author: RyanCavanaugh

src/compiler/core.ts

@@ -2169,7 +2169,7 @@ export function equateStringsCaseSensitive(a: string, b: string) {
 
 function compareComparableValues(a: string | undefined, b: string | undefined): Comparison;
 function compareComparableValues(a: number | undefined, b: number | undefined): Comparison;
-function compareComparableValues(a: string | number | undefined, b: string | number | undefined) {
+function compareComparableValues(a: any, b: any) {
     return a === b ? Comparison.EqualTo :
         a === undefined ? Comparison.LessThan :
         b === undefined ? Comparison.GreaterThan :