From d1bc10cfce3f5df91540c0cc6b76d88f09ef8343 Mon Sep 17 00:00:00 2001
From: Robin Freyler <robin.freyler@gmail.com>
Date: Sun, 19 Nov 2023 14:10:17 +0100
Subject: [PATCH] bugfix: clear preservations when resetting register alloc
 (#787)

---
 .../wasmi/src/engine/regmach/translator/stack/register_alloc.rs  | 1 +
 1 file changed, 1 insertion(+)

diff --git a/crates/wasmi/src/engine/regmach/translator/stack/register_alloc.rs b/crates/wasmi/src/engine/regmach/translator/stack/register_alloc.rs
index 523f8edd73..43679b9a87 100644
--- a/crates/wasmi/src/engine/regmach/translator/stack/register_alloc.rs
+++ b/crates/wasmi/src/engine/regmach/translator/stack/register_alloc.rs
@@ -119,6 +119,7 @@ impl RegisterAlloc {
 
     /// Resets the [`RegisterAlloc`] to start compiling a new function.
     pub fn reset(&mut self) {
+        self.preservations.clear();
         self.phase = AllocPhase::Init;
         self.len_locals = 0;
         self.next_dynamic = 0;