Update parser early return type in ESNEXT (#3742)

This patch updates the early return types in the parser to SyntaxError instead of ReferenceError
in ESNEXT

This patch also includes a lot of tests for LeftHandSideExpression validation when using the = operator

JerryScript-DCO-1.0-Signed-off-by: Adam Szilagyi aszilagy@inf.u-szeged.hu

tests/jerry/arithmetic-parse.js

@@ -1,92 +0,0 @@
-// 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.
-
-function parse (txt) {
-  try {
-    eval (txt)
-    assert (false)
-  } catch (e) {
-    assert (e instanceof SyntaxError)
-  }
-}
-
-var a = 21;
-var b = 10;
-var c;
-
-parse ("c =  a++b");
-parse ("c =  a--b");
-
-parse ("c = a +* b");
-parse ("c = a -* b");
-parse ("c = a +/ b");
-parse ("c = a -/ b");
-parse ("c = a +% b");
-parse ("c = a -% b");
-
-parse ("a =* b");
-parse ("a =/ b");
-parse ("a =% b");
-
-parse ("c = a+");
-parse ("c = a-");
-
-parse("a++\n()");
-parse("a--\n.b");
-
-assert((-2 .toString()) === -2);
-
-Number.prototype[0] = 123;
-assert(-2[0] === -123);
-
-function f() {
-  var a = 0;
-  function g() {}
-
-  try {
-    eval ("g(this, 'a' = 1)");
-    assert (false);
-  } catch (e) {
-    assert (e instanceof ReferenceError);
-  }
-
-  try {
-    eval ("g(this, 'a' += 1)");
-    assert (false);
-  } catch (e) {
-    assert (e instanceof ReferenceError);
-  }
-
-  assert (a === 0);
-}
-f();
-
-function g(a, b)
-{
-  assert(b === "undefined");
-}
-g(this, typeof undeclared_var)
-
-function h()
-{
-  var done = false;
-  var o = { a: function () { done = (this === o) } }
-  function f() {}
-
-  with (o) {
-    f(this, a());
-  }
-  assert(done);
-}
-h();