Fixed memory leak in %TypedArray%.prototype object's 'sort' routine. (#3981)

The buffer of values were not freed properly when an exception was
thrown in the compare function.

Fixes #3975

JerryScript-DCO-1.0-Signed-off-by: László Langó lango@inf.u-szeged.hu

tests/jerry/es.next/regression-test-issue-3975.js

@@ -0,0 +1,24 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+a = 10
+b = new Uint8Array(a)
+function c() { d }
+
+try {
+  b.sort(c);
+  assert(false);
+} catch (e) {
+  assert(e instanceof ReferenceError);
+}