From a14544efa646b4c48100f05b82f9e77cf2ec0eb7 Mon Sep 17 00:00:00 2001
From: Brian Fiete <bfiete@gmail.com>
Date: Tue, 5 Jan 2021 16:23:49 -0800
Subject: [PATCH] Fixed potential non-const cast of array size in type lookup

---
 IDEHelper/Compiler/BfResolvedTypeUtils.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/IDEHelper/Compiler/BfResolvedTypeUtils.cpp b/IDEHelper/Compiler/BfResolvedTypeUtils.cpp
index a53a0b5d..76c0e4fd 100644
--- a/IDEHelper/Compiler/BfResolvedTypeUtils.cpp
+++ b/IDEHelper/Compiler/BfResolvedTypeUtils.cpp
@@ -3171,10 +3171,14 @@ int BfResolvedTypeSet::Hash(BfTypeReference* typeRef, LookupContext* ctx, BfHash
 					hashVal = ((hashVal ^ elemHash) << 5) - hashVal;
 					return hashVal;
 				}
-				if (!typedVal)	
+				if (!typedVal)
 					ctx->mFailed = true;
 				if (typedVal)
+				{
+					SetAndRestoreValue<bool> prevIgnoreWrites(ctx->mModule->mBfIRBuilder->mIgnoreWrites, true);
 					typedVal = ctx->mModule->Cast(sizeExpr, typedVal, intType);
+				}
+			
 				if (typedVal)
 				{
 					auto constant = ctx->mModule->mBfIRBuilder->GetConstant(typedVal.mValue);