buffer: throw RangeError on atob overflow

Author: haramj

lib/buffer.js

@@ -37,6 +37,7 @@ const {
   ObjectDefineProperty,
   ObjectPrototypeHasOwnProperty,
   ObjectSetPrototypeOf,
+  RangeError,
   RegExpPrototypeSymbolReplace,
   StringPrototypeCharCodeAt,
   StringPrototypeSlice,
@@ -1303,8 +1304,7 @@ function atob(input) {
         'The string to be decoded is not correctly encoded.',
         'InvalidCharacterError');
     case -3: // Possible overflow
-      // TODO(@anonrig): Throw correct error in here.
-      throw lazyDOMException('The input causes overflow.', 'InvalidCharacterError');
+      throw new RangeError('The string to be decoded is too long.');
     default:
       return result;
   }