Update LKG 2020 05 06 (#38371)

* Update LKG

* remove now-extraneous casts

Author: sandersn

lib/cs/diagnosticMessages.generated.json

@@ -62,15 +62,6 @@ interface Array<T> {
      * @param end If not specified, length of the this object is used as its default value.
      */
     copyWithin(target: number, start: number, end?: number): this;
-
-    /**
-     * Removes elements from an array and, if necessary, inserts new elements in their place, returning the deleted elements.
-     * @param start The zero-based location in the array from which to start removing elements.
-     * @param deleteCount The number of elements to remove. If deleteCount is omitted, or if its value is equal to or larger
-     * than array.length - start (that is, if it is equal to or greater than the number of elements left in the array,
-     * starting at start), then all the elements from start to the end of the array will be deleted.
-     */
-    splice(start: number, deleteCount?: number): T[];
 }
 
 interface ArrayConstructor {
@@ -233,27 +224,27 @@ interface NumberConstructor {
      * number. Only finite values of the type number, result in true.
      * @param number A numeric value.
      */
-    isFinite(number: number): boolean;
+    isFinite(number: unknown): boolean;
 
     /**
      * Returns true if the value passed is an integer, false otherwise.
      * @param number A numeric value.
      */
-    isInteger(number: number): boolean;
+    isInteger(number: unknown): boolean;
 
     /**
      * Returns a Boolean value that indicates whether a value is the reserved value NaN (not a
      * number). Unlike the global isNaN(), Number.isNaN() doesn't forcefully convert the parameter
      * to a number. Only values of the type number, that are also NaN, result in true.
      * @param number A numeric value.
      */
-    isNaN(number: number): boolean;
+    isNaN(number: unknown): boolean;
 
     /**
      * Returns true if the value passed is a safe integer.
      * @param number A numeric value.
      */
-    isSafeInteger(number: number): boolean;
+    isSafeInteger(number: unknown): boolean;
 
     /**
      * The value of the largest integer n such that n and n + 1 are both exactly representable as

lib/de/diagnosticMessages.generated.json

@@ -21,9 +21,9 @@ and limitations under the License.
 /// <reference lib="es5" />
 /// <reference lib="es2015.core" />
 /// <reference lib="es2015.collection" />
+/// <reference lib="es2015.iterable" />
 /// <reference lib="es2015.generator" />
 /// <reference lib="es2015.promise" />
-/// <reference lib="es2015.iterable" />
 /// <reference lib="es2015.proxy" />
 /// <reference lib="es2015.reflect" />
 /// <reference lib="es2015.symbol" />

lib/es/diagnosticMessages.generated.json

@@ -274,7 +274,7 @@ interface Int8Array {
 }
 
 interface Uint8Array {
-    readonly [Symbol.toStringTag]: "UInt8Array";
+    readonly [Symbol.toStringTag]: "Uint8Array";
 }
 
 interface Uint8ClampedArray {