fix #564

zloirock · Apr 28, 2021 · 38aaa13 · 38aaa13
1 parent 67ad54d
commit 38aaa13
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## Changelog
 ##### Unreleased
 - Made `instanceof Promise` and `.constructor === Promise` work with polyfilled `Promise` for all native promise-based APIs
+- Added a workaround for some buggy V8 versions \~4.5 related to fixing of `%TypedArray%` static methods, [#564](https://github.com/zloirock/core-js/issues/564)
 
 ##### 3.11.0 - 2021.04.22
 - Added [accessible `Object#hasOwnProperty` stage 2 proposal](https://github.com/tc39/proposal-accessible-object-hasownproperty)

diff --git a/packages/core-js/internals/array-buffer-view-core.js b/packages/core-js/internals/array-buffer-view-core.js
@@ -81,9 +81,9 @@ var exportTypedArrayMethod = function (KEY, property, forced) {
   if (!DESCRIPTORS) return;
   if (forced) for (var ARRAY in TypedArrayConstructorsList) {
     var TypedArrayConstructor = global[ARRAY];
-    if (TypedArrayConstructor && has(TypedArrayConstructor.prototype, KEY)) {
+    if (TypedArrayConstructor && has(TypedArrayConstructor.prototype, KEY)) try {
       delete TypedArrayConstructor.prototype[KEY];
-    }
+    } catch (error) { /* empty */ }
   }
   if (!TypedArrayPrototype[KEY] || forced) {
     redefine(TypedArrayPrototype, KEY, forced ? property
@@ -97,9 +97,9 @@ var exportTypedArrayStaticMethod = function (KEY, property, forced) {
   if (setPrototypeOf) {
     if (forced) for (ARRAY in TypedArrayConstructorsList) {
       TypedArrayConstructor = global[ARRAY];
-      if (TypedArrayConstructor && has(TypedArrayConstructor, KEY)) {
+      if (TypedArrayConstructor && has(TypedArrayConstructor, KEY)) try {
         delete TypedArrayConstructor[KEY];
-      }
+      } catch (error) { /* empty */ }
     }
     if (!TypedArray[KEY] || forced) {
       // V8 ~ Chrome 49-50 `%TypedArray%` methods are non-writable non-configurable