Checking and suppressing warnings revealed by higher level of optimisation and building from mps.c on freebsd.

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 Change: 179195
 ServerID: perforce.ravenbrook.com

1 files changed, 1 insertions, 1 deletions

diff --git a/mps/code/mpsi.c b/mps/code/mpsi.c
index a4ea84f5574..aa60a7ed70b 100644
--- a/mps/code/mpsi.c
+++ b/mps/code/mpsi.c
@@ -1237,7 +1237,7 @@ mps_res_t mps_sac_fill(mps_addr_t *p_o, mps_sac_t mps_sac, size_t size,
 {
   SAC sac = SACOfExternalSAC((ExternalSAC)mps_sac);
   Arena arena;
-  Addr p;
+  Addr p = NULL;        /* suppress "may be used uninitialized" */
   Res res;
 
   AVER(p_o != NULL);