Actually raise an exception before calling ast_error_finish.

Triggers an assertion otherwise.

diff --git a/Python/ast.c b/Python/ast.c
index eb4c68b885ed17c16b4b980a42d85633df12e086..be58f53cc51f5f874957e30b3f9a9b491269fb1b 100644 (file)
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -274,6 +274,8 @@ PyAST_FromNode(const node *n, PyCompilerFlags *flags, const char *filename,
                 return Interactive(stmts, arena);
             }
         default:
+            PyErr_Format(PyExc_SystemError,
+                         "invalid node %d for PyAST_FromNode", TYPE(n));
             goto error;
     }
  error: