From bb86c49fb93737b338898d6dd0e5a02e0a29e3bf Mon Sep 17 00:00:00 2001
From: Som Snytt <som.snytt@gmail.com>
Date: Mon, 3 Feb 2025 14:43:52 -0800
Subject: [PATCH] debug

---
 compiler/src/dotty/tools/dotc/transform/CheckUnused.scala | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/compiler/src/dotty/tools/dotc/transform/CheckUnused.scala b/compiler/src/dotty/tools/dotc/transform/CheckUnused.scala
index 03accbdfeb5c..fe3a61d68beb 100644
--- a/compiler/src/dotty/tools/dotc/transform/CheckUnused.scala
+++ b/compiler/src/dotty/tools/dotc/transform/CheckUnused.scala
@@ -52,6 +52,8 @@ class CheckUnused private (phaseMode: PhaseMode, suffix: String) extends MiniPha
 
   override def transformIdent(tree: Ident)(using Context): tree.type =
     if tree.symbol.exists then
+      if !tree.srcPos.span.exists then
+        println(s"NoSpan for Ident ${tree.name} (${tree.symbol}) [${refInfos.inlined}]")
       // if in an inline expansion, resolve at summonInline (synthetic pos) or in an enclosing call site
       val resolving =
            refInfos.inlined.isEmpty