From 3159809c0bd6b745577d7c05f32954e2202e8467 Mon Sep 17 00:00:00 2001
From: Dale Wijnand <dale.wijnand@gmail.com>
Date: Tue, 4 Jul 2023 17:52:30 +0100
Subject: [PATCH] Fix finding an accessible non-private reference

---
 compiler/src/dotty/tools/dotc/typer/Typer.scala | 2 ++
 tests/pos/i18135.scala                          | 9 +++++++++
 2 files changed, 11 insertions(+)
 create mode 100644 tests/pos/i18135.scala

diff --git a/compiler/src/dotty/tools/dotc/typer/Typer.scala b/compiler/src/dotty/tools/dotc/typer/Typer.scala
index 51787cb5004a..deb4698431e2 100644
--- a/compiler/src/dotty/tools/dotc/typer/Typer.scala
+++ b/compiler/src/dotty/tools/dotc/typer/Typer.scala
@@ -289,6 +289,8 @@ class Typer(@constructorOnly nestingLevel: Int = 0) extends Namer
             val pre = expr.tpe
             val denot0 = pre.memberBasedOnFlags(name, required, excluded)
               .accessibleFrom(pre)(using refctx)
+              .orElse(pre.memberBasedOnFlags(name, required, excluded | Private)
+                .accessibleFrom(pre)(using refctx))
             // Pass refctx so that any errors are reported in the context of the
             // reference instead of the context of the import scope
             if denot0.exists then
diff --git a/tests/pos/i18135.scala b/tests/pos/i18135.scala
new file mode 100644
index 000000000000..c770585ba272
--- /dev/null
+++ b/tests/pos/i18135.scala
@@ -0,0 +1,9 @@
+class Ace
+class Bar(last: Ace) { implicit val now: Ace = last }
+class Foo(now: Ace) extends Bar(now)
+class Test {
+def test(fst: Foo) = {
+  import fst._
+  now != null
+}
+}