From 30c35e8154dca64dace48c25d2b0204108e6d0bb Mon Sep 17 00:00:00 2001
From: Stefan Krah <skrah@bytereef.org>
Date: Thu, 31 May 2012 15:09:27 +0200
Subject: Do not clobber existing flags.

---
 Modules/_decimal/libmpdec/mpdecimal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/_decimal/libmpdec/mpdecimal.c b/Modules/_decimal/libmpdec/mpdecimal.c
index 5083710..3f43db4 100644
--- a/Modules/_decimal/libmpdec/mpdecimal.c
+++ b/Modules/_decimal/libmpdec/mpdecimal.c
@@ -3904,7 +3904,7 @@ _mpd_qexp_check_one(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx,
     if (_mpd_cmp(&aa, &lim) <= 0) {
         _settriple(result, 0, 1, 0);
         _mpd_zeropad(result, ctx, status);
-        *status = MPD_Rounded|MPD_Inexact;
+        *status |= MPD_Rounded|MPD_Inexact;
         return 1;
     }
 
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