Specified diagnostic for iterating known array type without --downlevelIteration (#40070)

* Specified error message for iterating known array types without --downlevelIteration

* Added extra target info to diagnostic

* NodeList too, a classic

* PR feedback: invert to allowsStrings; required param

Co-authored-by: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com>

tests/cases/compiler/typedArrays-es5.ts

@@ -0,0 +1,33 @@
+// @target: ES5
+
+const float32Array = new Float32Array(1);
+[...float32Array];
+
+const float64Array = new Float64Array(1);
+[...float64Array];
+
+const int16Array = new Int16Array(1);
+[...int16Array];
+
+const int32Array = new Int32Array(1);
+[...int32Array];
+
+const int8Array = new Int8Array(1);
+[...int8Array];
+
+const nodeList = new NodeList();
+[...nodeList];
+
+const uint16Array = new Uint16Array(1);
+[...uint16Array];
+
+const uint32Array = new Uint32Array(1);
+[...uint32Array];
+
+const uint8Array = new Uint8Array(1);
+[...uint8Array];
+
+const uint8ClampedArray = new Uint8ClampedArray(1);
+[...uint8ClampedArray];
+
+

tests/cases/compiler/typedArrays-es6.ts

@@ -0,0 +1,31 @@
+// @target: ES6
+
+const float32Array = new Float32Array(1);
+[...float32Array];
+
+const float64Array = new Float64Array(1);
+[...float64Array];
+
+const int16Array = new Int16Array(1);
+[...int16Array];
+
+const int32Array = new Int32Array(1);
+[...int32Array];
+
+const int8Array = new Int8Array(1);
+[...int8Array];
+
+const nodeList = new NodeList();
+[...nodeList];
+
+const uint16Array = new Uint16Array(1);
+[...uint16Array];
+
+const uint32Array = new Uint32Array(1);
+[...uint32Array];
+
+const uint8Array = new Uint8Array(1);
+[...uint8Array];
+
+const uint8ClampedArray = new Uint8ClampedArray(1);
+[...uint8ClampedArray];