Minor fix to RegExp.prototype.compile (#4112)

Fixed tests from the exclude list:
<test id="annexB/built-ins/RegExp/prototype/compile/length.js"><reason></reason></test>
<test id="annexB/built-ins/RegExp/prototype/compile/pattern-regexp-flags-defined.js"><reason></reason></test>
<test id="annexB/built-ins/RegExp/prototype/compile/pattern-regexp-immutable-lastindex.js"><reason></reason></test>

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

tests/jerry/es.next/regexp-routines.js

@@ -144,3 +144,69 @@ assert (r.lastIndex === 0);
 
 assert (RegExp.prototype[Symbol.match].call(/a/y, "aaa").length === 1);
 assert (RegExp.prototype[Symbol.match].call(/a/gy, "aaa").length === 3);
+
+var length = Object.getOwnPropertyDescriptor(RegExp.prototype.compile, "length");
+assert(!length.enumerable);
+assert(!length.writable);
+assert(length.configurable);
+assert(length.value === 2);
+
+var re = /./;
+re.lastIndex = 23;
+
+try {
+  re.compile(re, null);
+  assert(false);
+} catch (e) {
+  assert(e instanceof TypeError);
+}
+
+try {
+  re.compile(re, 0);
+  assert(false);
+} catch (e) {
+  assert(e instanceof TypeError);
+}
+
+try {
+  re.compile(re, '');
+  assert(false);
+} catch (e) {
+  assert(e instanceof TypeError);
+}
+
+try {
+  re.compile(re, false);
+  assert(false);
+} catch (e) {
+  assert(e instanceof TypeError);
+}
+
+try {
+  re.compile(re, {});
+  assert(false);
+} catch (e) {
+  assert(e instanceof TypeError);
+}
+  
+try {
+  re.compile(re, []);
+  assert(false);
+} catch (e) {
+  assert(e instanceof TypeError);
+}
+  
+assert(re.lastIndex === 23);
+
+var subject = /initial/;
+Object.defineProperty(subject, 'lastIndex', { value: 45, writable: false });
+
+try {
+  subject.compile(/updated/gi);
+  assert(false);
+} catch (e) {
+  assert(e instanceof TypeError);
+}
+
+assert(subject.toString() === new RegExp('updated', 'gi').toString());
+assert(subject.lastIndex === 45);

tests/test262-esnext-excludelist.xml

@@ -14,9 +14,6 @@
   <test id="annexB/built-ins/RegExp/named-groups/groups-object.js"><reason></reason></test>
   <test id="annexB/built-ins/RegExp/named-groups/non-unicode-malformed-lookbehind.js"><reason></reason></test>
   <test id="annexB/built-ins/RegExp/named-groups/non-unicode-malformed.js"><reason></reason></test>
-  <test id="annexB/built-ins/RegExp/prototype/compile/length.js"><reason></reason></test>
-  <test id="annexB/built-ins/RegExp/prototype/compile/pattern-regexp-flags-defined.js"><reason></reason></test>
-  <test id="annexB/built-ins/RegExp/prototype/compile/pattern-regexp-immutable-lastindex.js"><reason></reason></test>
   <test id="annexB/built-ins/String/prototype/anchor/B.2.3.2.js"><reason></reason></test>
   <test id="annexB/built-ins/String/prototype/anchor/attr-tostring-err.js"><reason></reason></test>
   <test id="annexB/built-ins/String/prototype/anchor/length.js"><reason></reason></test>