From adf22db8b675c482c7f0a5ac4e659ea5374aa8fc Mon Sep 17 00:00:00 2001
From: Jarred Sumner <jarred@jarredsumner.com>
Date: Mon, 27 Sep 2021 00:40:44 -0700
Subject: bounds checking

---
 src/js_ast.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/js_ast.zig b/src/js_ast.zig
index 291f59ff4..0a879b8cd 100644
--- a/src/js_ast.zig
+++ b/src/js_ast.zig
@@ -5906,7 +5906,7 @@ pub const Macro = struct {
                             var nextArg = writer.eatArg() orelse return false;
                             if (js.JSValueIsArray(writer.ctx, nextArg.asRef())) {
                                 const extras = nextArg.getLengthOfArray(JavaScript.VirtualMachine.vm.global);
-                                count += @truncate(u16, extras) - 1;
+                                count += std.math.max(@truncate(u16, extras), 1) - 1;
                                 items.ensureUnusedCapacity(extras) catch unreachable;
                                 items.expandToCapacity();
                                 var new_writer = writer.*;
-- 
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