From d31dbb424f3f435539529d91ea53dc47ebaf4a5f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mattis=20B=C3=B6ckle?= <mattisderbock@gmail.com>
Date: Wed, 22 Jan 2025 23:56:32 +0100
Subject: [PATCH] Initialize the memory used for bytearrays

We were accessing uninitialized memory whenever using bytearrays which causes valgrind to complain.
Now that memory is just initialized to 0
---
 libraries/llvm/bytearray.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/llvm/bytearray.c b/libraries/llvm/bytearray.c
index 7cf5a3ade..364b53ad6 100644
--- a/libraries/llvm/bytearray.c
+++ b/libraries/llvm/bytearray.c
@@ -22,6 +22,7 @@ struct Pos c_bytearray_new(const Int size) {
   void *objPtr = malloc(sizeof(struct Header) + size);
   struct Header *headerPtr = objPtr;
   *headerPtr = (struct Header) { .rc = 0, .eraser = c_bytearray_erase_noop, };
+  memset(objPtr + sizeof(struct Header), 0, size);
   return (struct Pos) {
     .tag = size,
     .obj = objPtr,