py: Prevent crash with LTO.

tannewt · tannewt · commit 6370b5225a9a · 2017-11-01T14:32:06.000-07:00
The protected single function call saves stack values and LTO
breaks the expectations of nlr_push and pop.
diff --git 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);
