From 88a8043a27c3f75c7e4e52e4e8b0d47005cd6bef Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Thu, 7 Dec 2017 10:52:40 +0200
Subject: [PATCH] py/malloc: MICROPY_MEM_STATS requires
 MICROPY_MALLOC_USES_ALLOCATED_SIZE.

Error out if they're set incompatibly.
---
 py/malloc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/py/malloc.c b/py/malloc.c
index ea1d4c4b9e..818a3e57a9 100644
--- a/py/malloc.c
+++ b/py/malloc.c
@@ -39,6 +39,9 @@
 #endif
 
 #if MICROPY_MEM_STATS
+#if !MICROPY_MALLOC_USES_ALLOCATED_SIZE
+#error MICROPY_MEM_STATS requires MICROPY_MALLOC_USES_ALLOCATED_SIZE
+#endif
 #define UPDATE_PEAK() { if (MP_STATE_MEM(current_bytes_allocated) > MP_STATE_MEM(peak_bytes_allocated)) MP_STATE_MEM(peak_bytes_allocated) = MP_STATE_MEM(current_bytes_allocated); }
 #endif