Atomics.store will operate on TA when TA.buffer is not a SharedArrayBuffer

test/built-ins/Atomics/store/bigint/non-shared-bufferdata.js

@@ -12,4 +12,5 @@ const i64a = new BigInt64Array(
   new ArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 4)
 );
 
-assert.sameValue(Atomics.store(i64a, 0, 1), 1);
+assert.sameValue(Atomics.store(i64a, 0, 1n), 1n);
+assert.sameValue(Atomics.load(i64a, 0), 1n);

test/built-ins/Atomics/store/bigint/non-shared-int-views-throws.js

@@ -14,6 +14,6 @@ const buffer = new ArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 4);
 testWithNonShareableBigIntTypedArrayConstructors(function(TA) {
   const view = new TA(buffer);
   assert.throws(TypeError, function() {
-    Atomics.store(view, 0, 1);
-  }, `Atomics.store(new ${TA.name}(buffer), 0, 1) throws TypeError`);
+    Atomics.store(view, 0, 1n);
+  }, `Atomics.store(new ${TA.name}(buffer), 0, 1n) throws TypeError`);
 });

test/built-ins/Atomics/store/non-shared-bufferdata.js

@@ -13,3 +13,5 @@ const i32a = new Int32Array(
 );
 
 assert.sameValue(Atomics.store(i32a, 0, 1), 1);
+assert.sameValue(Atomics.load(i32a, 0), 1);
+

test/built-ins/Atomics/store/non-shared-int-views-throws.js

@@ -1,4 +1,4 @@
-// Copyright (C) 2017 Mozilla Corporation.  All rights reserved.
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -10,10 +10,11 @@ features: [ArrayBuffer, Atomics, TypedArray]
 ---*/
 
 const buffer = new ArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4);
-const views = intArrayConstructors.slice();
 
 testWithNonSharableTypedArrayConstructors(function(TA) {
+  const view = new TA(buffer);
+
   assert.throws(TypeError, function() {
-    Atomics.store(new TA(buffer), 0, 0);
+    Atomics.store(view, 0, 1);
   }, `Atomics.store(new ${TA.name}(buffer), 0, 1) throws TypeError`);
-}, views);
+});