Don't use 'fill' in 'fill'.

Author: DanielRosenwasser

src/compiler/core.ts

@@ -2165,6 +2165,10 @@ namespace ts {
     }
 
     export function fill<T>(length: number, cb: (index: number) => T): T[] {
-        return new Array(length).fill(0).map((_, i) => cb(i));
+        const result = Array<T>(length);
+        for (let i = 0; i < length; i++) {
+            result[i] = cb(i);
+        }
+        return result;
     }
 }