From 59a9d52fc647079ce1bbe4410f353fba0afefde9 Mon Sep 17 00:00:00 2001
From: Wojciech Mazur <wmazur@virtuslab.com>
Date: Tue, 10 Feb 2026 11:05:45 +0100
Subject: [PATCH] Add scripted test for #25133 and fix in #25201

---
 sbt-test/scala3-compat/i25133/app/B.scala |  4 ++++
 sbt-test/scala3-compat/i25133/build.sbt   | 20 ++++++++++++++++++++
 sbt-test/scala3-compat/i25133/lib/A.scala |  6 ++++++
 sbt-test/scala3-compat/i25133/test        |  3 +++
 4 files changed, 33 insertions(+)
 create mode 100644 sbt-test/scala3-compat/i25133/app/B.scala
 create mode 100644 sbt-test/scala3-compat/i25133/build.sbt
 create mode 100644 sbt-test/scala3-compat/i25133/lib/A.scala
 create mode 100644 sbt-test/scala3-compat/i25133/test

diff --git a/sbt-test/scala3-compat/i25133/app/B.scala b/sbt-test/scala3-compat/i25133/app/B.scala
new file mode 100644
index 000000000000..4a96a4ba2579
--- /dev/null
+++ b/sbt-test/scala3-compat/i25133/app/B.scala
@@ -0,0 +1,4 @@
+object B {
+  val c = A.foo
+}
+
diff --git a/sbt-test/scala3-compat/i25133/build.sbt b/sbt-test/scala3-compat/i25133/build.sbt
new file mode 100644
index 000000000000..f4b7cfb162a6
--- /dev/null
+++ b/sbt-test/scala3-compat/i25133/build.sbt
@@ -0,0 +1,20 @@
+lazy val lib = project.in(file("lib"))
+  .settings(
+    scalaVersion := "3.3.7",
+  )
+
+// Should fail to compile
+lazy val appNeg = project.in(file("app-neg"))
+  .settings(
+    scalaVersion := "3.8.1",
+    (Compile / sources) ++= (app / Compile / sources).value
+  )
+  .dependsOn(lib)
+
+// Should compile
+lazy val app = project.in(file("app"))
+  .settings(
+    scalaVersion := sys.props("plugin.scalaVersion")
+  )
+  .dependsOn(lib)
+
diff --git a/sbt-test/scala3-compat/i25133/lib/A.scala b/sbt-test/scala3-compat/i25133/lib/A.scala
new file mode 100644
index 000000000000..a9385f30c663
--- /dev/null
+++ b/sbt-test/scala3-compat/i25133/lib/A.scala
@@ -0,0 +1,6 @@
+object A {
+  inline def foo = {
+    val list = List[BigDecimal]()
+    val bar = list.map(_.underlying)
+  }
+}
diff --git a/sbt-test/scala3-compat/i25133/test b/sbt-test/scala3-compat/i25133/test
new file mode 100644
index 000000000000..743c01978a6d
--- /dev/null
+++ b/sbt-test/scala3-compat/i25133/test
@@ -0,0 +1,3 @@
+-> appNeg/compile
+> app/compile
+