From 33219f6d7ac63a5c526e75cce680c04adb423e18 Mon Sep 17 00:00:00 2001
From: Andrei Maiboroda <andrei@ethereum.org>
Date: Thu, 4 Jun 2020 13:45:29 +0200
Subject: [PATCH] Fix reading of branch instructions immediate for parent stack
 height

---
 lib/fizzy/execute.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/fizzy/execute.cpp b/lib/fizzy/execute.cpp
index 79bf340dd..cf463fa7b 100644
--- a/lib/fizzy/execute.cpp
+++ b/lib/fizzy/execute.cpp
@@ -248,7 +248,7 @@ void branch(
 {
     const auto code_offset = read<uint32_t>(immediates);
     const auto imm_offset = read<uint32_t>(immediates);
-    const auto stack_height = static_cast<size_t>(read<int>(immediates));
+    const auto stack_height = static_cast<size_t>(read<uint32_t>(immediates));
     const auto arity = read<uint8_t>(immediates);
 
     pc = code.instructions.data() + code_offset;