Generator: fix *args and **kwargs handling

src/runtime/generator.cpp

@@ -43,7 +43,7 @@ static void generatorEntry(BoxedGenerator* g) {
         BoxedFunction* func = g->function;
 
         Box** args = g->args ? &g->args->elts[0] : nullptr;
-        callCLFunc(func->f, nullptr, func->f->num_args, func->closure, g, g->arg1, g->arg2, g->arg3, args);
+        callCLFunc(func->f, nullptr, func->f->numReceivedArgs(), func->closure, g, g->arg1, g->arg2, g->arg3, args);
     } catch (Box* e) {
         // unhandled exception: propagate the exception to the caller
         g->exception = e;

test/tests/generators.py

@@ -77,3 +77,13 @@ def G7(p):
         yield a+b
     return G()
 print list(G7(1))
+
+def G8(*args):
+    for a in args:
+        yield a
+print list(G8(1, 2, 3, 4, 5))
+
+def G9(**kwargs):
+    for a in sorted(kwargs.keys()):
+        yield a, kwargs[a]
+print list(G9(a="1", b="2", c="3", d="4", e="5"))