From 8bc916ef0afdede9edce6bb9045dc555e4d3b218 Mon Sep 17 00:00:00 2001
From: Henry <mail@henrygressmann.de>
Date: Wed, 22 Jul 2026 22:27:37 +0200
Subject: fix: dropkeep not being emited correctly

Signed-off-by: Henry <mail@henrygressmann.de>
---
 crates/parser/src/visit.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'crates/parser/src')

diff --git a/crates/parser/src/visit.rs b/crates/parser/src/visit.rs
index cb13387..dae9ff2 100644
--- a/crates/parser/src/visit.rs
+++ b/crates/parser/src/visit.rs
@@ -1017,7 +1017,8 @@ impl FunctionBuilder<'_> {
 
     /// Emits the stack-shaping instruction required by a branch.
     fn emit_dropkeep(&mut self, base: ValueCounts, keep: ValueCounts) {
-        if base.is_empty() && keep.is_empty() {
+        let target = ValueCounts { c32: base.c32 + keep.c32, c64: base.c64 + keep.c64, c128: base.c128 + keep.c128 };
+        if self.lane_counts == target {
             return;
         }
         self.instructions.push(Instruction::DropKeep((base, keep).into()));
-- 
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