1 files changed, 1 insertions, 0 deletions
diff --git a/Python/compile.c b/Python/compile.c
index f8d0197..bf5e4a5 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -567,6 +567,7 @@ PyCodeObject *
 _PyAST_Compile(mod_ty mod, PyObject *filename, PyCompilerFlags *pflags,
                int optimize, PyArena *arena)
 {
+    assert(!PyErr_Occurred());
     struct compiler *c = new_compiler(mod, filename, pflags, optimize, arena);
     if (c == NULL) {
         return NULL;