From bdfede0b931a38c5133d163fc061d9d9c8f44c3b Mon Sep 17 00:00:00 2001
From: Rerumu <rerumu@protonmail.com>
Date: Thu, 7 Jul 2022 20:10:47 -0400
Subject: [PATCH] Remove entries for tables with no elements

---
 codegen/luajit/src/analyzer/br_table.rs | 4 ++++
 codegen/luau/src/analyzer/br_target.rs  | 7 ++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/codegen/luajit/src/analyzer/br_table.rs b/codegen/luajit/src/analyzer/br_table.rs
index 67bcb45..1d5ba9f 100644
--- a/codegen/luajit/src/analyzer/br_table.rs
+++ b/codegen/luajit/src/analyzer/br_table.rs
@@ -11,6 +11,10 @@ struct Visit {
 
 impl Visitor for Visit {
 	fn visit_br_table(&mut self, table: &BrTable) {
+		if table.data().is_empty() {
+			return;
+		}
+
 		let id = table as *const _ as usize;
 		let len = self.id_map.len() + 1;
 
diff --git a/codegen/luau/src/analyzer/br_target.rs b/codegen/luau/src/analyzer/br_target.rs
index 28d9a99..cebe09e 100644
--- a/codegen/luau/src/analyzer/br_target.rs
+++ b/codegen/luau/src/analyzer/br_target.rs
@@ -20,10 +20,15 @@ impl Visitor for Visit {
 	}
 
 	fn visit_br_table(&mut self, table: &BrTable) {
+		self.has_branch = true;
+
+		if table.data().is_empty() {
+			return;
+		}
+
 		let id = table as *const _ as usize;
 		let len = self.br_map.len() + 1;
 
-		self.has_branch = true;
 		self.br_map.insert(id, len);
 	}
 }