bpo-33363: raise SyntaxError for async for/with outside async functions (#6616)

1 files changed, 7 insertions, 0 deletions

diff --git a/Python/compile.c b/Python/compile.c
index cc0988f68e..7960f09319 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -2447,6 +2447,10 @@ static int
 compiler_async_for(struct compiler *c, stmt_ty s)
 {
     basicblock *start, *except, *end;
+    if (c->u->u_scope_type != COMPILER_SCOPE_ASYNC_FUNCTION) {
+        return compiler_error(c, "'async for' outside async function");
+    }
+
     start = compiler_new_block(c);
     except = compiler_new_block(c);
     end = compiler_new_block(c);
@@ -4262,6 +4266,9 @@ compiler_async_with(struct compiler *c, stmt_ty s, int pos)
     withitem_ty item = asdl_seq_GET(s->v.AsyncWith.items, pos);
 
     assert(s->kind == AsyncWith_kind);
+    if (c->u->u_scope_type != COMPILER_SCOPE_ASYNC_FUNCTION) {
+        return compiler_error(c, "'async with' outside async function");
+    }
 
     block = compiler_new_block(c);
     finally = compiler_new_block(c);