From 545832328036495caef8a87dfeade89d9a65a583 Mon Sep 17 00:00:00 2001
From: Matthew Flatt <mflatt@racket-lang.org>
Date: Sat, 4 Apr 2020 12:43:04 -0600
Subject: [PATCH] fix segment initialization for new fields

original commit: 90f358a2a33f90d9b64b6750988f679a6fcfcc7d
---
 c/segment.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/c/segment.c b/c/segment.c
index a5b333558d..cef05b75de 100644
--- a/c/segment.c
+++ b/c/segment.c
@@ -240,9 +240,12 @@ static void initialize_seginfo(seginfo *si, ISPC s, IGEN g) {
   si->trigger_guardians = 0;
   si->locked_objects = Snil;
   si->unlocked_objects = Snil;
+  si->locked_mask = NULL;
 #ifdef PRESERVE_FLONUM_EQ
   si->forwarded_flonums = NULL;
 #endif
+  si->counting_mask = NULL;
+  si->measured_mask = NULL;
 }
 
 iptr S_find_segments(s, g, n) ISPC s; IGEN g; iptr n; {