From 838009ba2b8ea1e99061c66e0fbd9cb53a96ec20 Mon Sep 17 00:00:00 2001
From: Josh Haberman <jhaberman@gmail.com>
Date: Fri, 8 May 2015 17:20:55 -0700
Subject: Fixes for the open-source build.

---
 upb/pb/decoder.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'upb/pb')

diff --git a/upb/pb/decoder.c b/upb/pb/decoder.c
index f23645d..a780666 100644
--- a/upb/pb/decoder.c
+++ b/upb/pb/decoder.c
@@ -966,7 +966,9 @@ size_t upb_pbdecoder_maxnesting(const upb_pbdecoder *d) {
 }
 
 bool upb_pbdecoder_setmaxnesting(upb_pbdecoder *d, size_t max) {
-  if (max < d->top - d->stack) {
+  assert(d->top >= d->stack);
+
+  if (max < (size_t)(d->top - d->stack)) {
     // Can't set a limit smaller than what we are currently at.
     return false;
   }
-- 
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