From 059fd494a17ab9d79223b537f7fbbf3d1cd96ebd Mon Sep 17 00:00:00 2001
From: overlookmotel <557937+overlookmotel@users.noreply.github.com>
Date: Fri, 15 Nov 2024 02:56:49 +0000
Subject: [PATCH] fix(codegen): fix arithmetic overflow printing unspanned
 `NewExpression` (#7289)

`self.span.end - 1` overflows if the `NewExpression` is generated in transformer and has no span, so `self.span.end == 0`.
---
 crates/oxc_codegen/src/gen.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/oxc_codegen/src/gen.rs b/crates/oxc_codegen/src/gen.rs
index 41c95d908fd593..3568417077daf9 100644
--- a/crates/oxc_codegen/src/gen.rs
+++ b/crates/oxc_codegen/src/gen.rs
@@ -2067,7 +2067,7 @@ impl<'a> GenExpr for NewExpression<'a> {
             p.print_str("new ");
             self.callee.print_expr(p, Precedence::New, Context::FORBID_CALL);
             p.print_ascii_byte(b'(');
-            let has_comment = p.has_comment(self.span.end - 1)
+            let has_comment = (!self.span.is_unspanned() && p.has_comment(self.span.end - 1))
                 || self.arguments.iter().any(|item| p.has_comment(item.span().start));
             if has_comment {
                 p.indent();