From a8da735ca4e0ed49796dda164c39e21aea4a7bc6 Mon Sep 17 00:00:00 2001
From: Sai Praveen Bangaru <31557731+saipraveenb25@users.noreply.github.com>
Date: Fri, 17 Feb 2023 19:03:52 -0500
Subject: Allocate N+1 arrays instead of N to avoid out-of-bounds access when
 unzipping loops (#2663)

---
 source/slang/slang-ir-autodiff-unzip.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'source')

diff --git a/source/slang/slang-ir-autodiff-unzip.h b/source/slang/slang-ir-autodiff-unzip.h
index eb8b09417..2d5261b63 100644
--- a/source/slang/slang-ir-autodiff-unzip.h
+++ b/source/slang/slang-ir-autodiff-unzip.h
@@ -588,7 +588,7 @@ struct DiffUnzipPass
                     arrayType,
                     builder.getIntValue(
                         builder.getUIntType(),
-                        region->maxIters));
+                        region->maxIters + 1));
             }
 
             // Reverse the list since the indices needs to be 
-- 
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