[foozzie] Detect endianness when using an arrayType

Whenever we use an "arrayType" that is stored as multiple bytes,
the host machine's endianness becomes apparent in the result.
This Cl adds the functionality to check the result based on the
host machine's endianness.

Change-Id: Ie96e8dd04b7e209127eff67ee06e1fa0ee5bc290
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2063861Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#66343}

test/mjsunit/tools/foozzie.js

@@ -68,5 +68,11 @@ function testArrayType(arrayType, pattern) {
   testSameOptimized(pattern, create);
 }
 
+var isBigEndian = new Uint8Array(new Uint32Array([0xABCD]).buffer)[0] === 0xAB;
 testArrayType(Float32Array, [1065353216]);
-testArrayType(Float64Array, [0, 1072693248]);
+if (isBigEndian){
+  testArrayType(Float64Array, [1072693248, 0]);
+}
+else {
+  testArrayType(Float64Array, [0, 1072693248]);
+}