From 6370b5225a9ad88aadd3fc3ac2ee63c17d79f642 Mon Sep 17 00:00:00 2001
From: Scott Shawcroft <scott.shawcroft@gmail.com>
Date: Wed, 1 Nov 2017 13:24:19 -0700
Subject: py: Prevent crash with LTO.

The protected single function call saves stack values and LTO
breaks the expectations of nlr_push and pop.
---
 py/runtime_utils.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/py/runtime_utils.c b/py/runtime_utils.c
index a5c5403ba..bcf3cbf7b 100644
--- a/py/runtime_utils.c
+++ b/py/runtime_utils.c
@@ -25,9 +25,10 @@
  * THE SOFTWARE.
  */
 
+#include "py/mpconfig.h"
 #include "py/runtime.h"
 
-void mp_call_function_1_protected(mp_obj_t fun, mp_obj_t arg) {
+MP_NOINLINE void mp_call_function_1_protected(mp_obj_t fun, mp_obj_t arg) {
     nlr_buf_t nlr;
     if (nlr_push(&nlr) == 0) {
         mp_call_function_1(fun, arg);
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