The comment in ast_for_namedexpr shouldn't include if_stmt (GH-17586)



Automerge-Triggered-By: @gvanrossum
diff --git a/Python/ast.c b/Python/ast.c
index 55fe58c..c0d67a15 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -1935,9 +1935,7 @@
 static expr_ty
 ast_for_namedexpr(struct compiling *c, const node *n)
 {
-    /* if_stmt: 'if' namedexpr_test ':' suite ('elif' namedexpr_test ':' suite)*
-         ['else' ':' suite]
-       namedexpr_test: test [':=' test]
+    /* namedexpr_test: test [':=' test]
        argument: ( test [comp_for] |
             test ':=' test |
             test '=' test |