From 064e01acf5a60382bc53800ab0a065cdb91f957d Mon Sep 17 00:00:00 2001
From: Jim Edwards <jedwards@ucar.edu>
Date: Thu, 15 Aug 2019 14:06:10 -0600
Subject: [PATCH] fix an integer overflow issue reported on summit

---
 src/clib/pio_rearrange.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/clib/pio_rearrange.c b/src/clib/pio_rearrange.c
index 897a6d99b6a..ce8b8f18e34 100644
--- a/src/clib/pio_rearrange.c
+++ b/src/clib/pio_rearrange.c
@@ -40,7 +40,7 @@ idx_to_dim_list(int ndims, const int *gdimlen, PIO_Offset idx,
     /* Easiest to start from the right and move left. */
     for (int i = ndims - 1; i >= 0; --i)
     {
-        int next_idx;
+        PIO_Offset next_idx;
 
         /* This way of doing div/mod is slightly faster than using "/"
          * and "%". */