Don't optimize <string> and <stdin> code

diff --git a/Python/compile.c b/Python/compile.c
index 5e6a18edafe4f5876935f3f39beada232901f104..5fa405d3ba5cca094dcfc153e170196a4eb676b8 100644 (file)
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -1878,7 +1878,7 @@ compile(n, filename)
        else
                co = NULL;
        com_free(&sc);
-       if (co != NULL)
+       if (co != NULL && filename[0] != '<')
                optimizer(co);
        return co;
 }