From 2dd2f7fc15df87e60d2a12ed6880c8deb061e3d2 Mon Sep 17 00:00:00 2001
From: Nicholas Wilson <thewilsonator@users.noreply.github.com>
Date: Sun, 28 Aug 2022 21:19:15 +0800
Subject: [PATCH] Use typed GEP in `functions.cpp` (#4072)

---
 gen/functions.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gen/functions.cpp b/gen/functions.cpp
index d7e8427e8d..f4afb6a12e 100644
--- a/gen/functions.cpp
+++ b/gen/functions.cpp
@@ -1291,7 +1291,7 @@ void DtoDefineFunction(FuncDeclaration *fd, bool linkageAvailableExternally) {
         LLType *targetThisType = thismem->getType();
         thismem = DtoBitCast(thismem, getVoidPtrType());
         auto off = DtoConstInt(-fd->interfaceVirtual->offset);
-        thismem = DtoGEP1(thismem, off);
+        thismem = DtoGEP1(llvm::Type::getInt8Ty(gIR->context()), thismem, off);
         thismem = DtoBitCast(thismem, targetThisType);
       }
       thismem = DtoAllocaDump(thismem, 0, "this");