From 4bb0b0acdfc7f2a67d8312c11fe19c253c6d9297 Mon Sep 17 00:00:00 2001
From: Bill Sideris <bill88t@feline.gr>
Date: Thu, 16 Feb 2023 23:37:37 +0200
Subject: [PATCH] volatile to skip optimisation

---
 main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.c b/main.c
index 1d67424e28..4a1201f56c 100644
--- a/main.c
+++ b/main.c
@@ -776,7 +776,7 @@ STATIC void __attribute__ ((noinline)) run_boot_py(safe_mode_t safe_mode) {
 
     // Do USB setup even if boot.py is not run.
 
-    supervisor_allocation *pystack;
+    volatile supervisor_allocation *pystack;
     #if MICROPY_ENABLE_PYSTACK
     pystack = allocate_pystack();
     #else