Make the 'x' argument to int() positional-only

Author: otethal

graalpython/com.oracle.graal.python.test/src/tests/unittest_tags/test_int.txt

@@ -7,6 +7,7 @@
 *graalpython.lib-python.3.test.test_int.IntTestCases.test_int_subclass_with_int
 *graalpython.lib-python.3.test.test_int.IntTestCases.test_intconversion
 *graalpython.lib-python.3.test.test_int.IntTestCases.test_issue31619
+*graalpython.lib-python.3.test.test_int.IntTestCases.test_keyword_args
 *graalpython.lib-python.3.test.test_int.IntTestCases.test_no_args
 *graalpython.lib-python.3.test.test_int.IntTestCases.test_small_ints
 *graalpython.lib-python.3.test.test_int.IntTestCases.test_string_float

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/BuiltinConstructors.java

@@ -1139,7 +1139,7 @@ private HashingCollectionNodes.SetItemNode getSetItemNode() {
 
     // int(x=0)
     // int(x, base=10)
-    @Builtin(name = INT, minNumOfPositionalArgs = 1, parameterNames = {"cls", "x", "base"}, constructsClass = PythonBuiltinClassType.PInt)
+    @Builtin(name = INT, minNumOfPositionalArgs = 1, parameterNames = {"cls", "x", "base"}, numOfPositionalOnlyArgs = 2, constructsClass = PythonBuiltinClassType.PInt)
     @GenerateNodeFactory
     public abstract static class IntNode extends PythonBuiltinNode {