Fix #6803: Add regression test

Author: nicolasstucki

tests/run-macros/i6803/Macro_1.scala

@@ -0,0 +1,28 @@
+package blah
+
+import scala.language.implicitConversions
+import scala.quoted._
+
+object AsObject {
+  final class LineNo(val lineNo: Int)
+  object LineNo {
+    def unsafe(i: Int): LineNo = new LineNo(i)
+    inline given LineNo = ${impl}
+    private def impl with (qctx: QuoteContext): Expr[LineNo] = {
+      import qctx.tasty.{given, _}
+      '{unsafe(${Expr(rootPosition.startLine)})}
+    }
+  }
+}
+
+package AsPackage {
+  final class LineNo(val lineNo: Int)
+  object LineNo {
+    def unsafe(i: Int): LineNo = new LineNo(i)
+    inline given LineNo = ${impl}
+    private def impl with (qctx: QuoteContext): Expr[LineNo] = {
+      import qctx.tasty.{given, _}
+      '{unsafe(${Expr(rootPosition.startLine)})}
+    }
+  }
+}

tests/run-macros/i6803/Test_2.scala

@@ -0,0 +1,15 @@
+import blah._
+
+def testO(): Unit = {
+  import AsObject.LineNo
+  assert(summon[LineNo].lineNo == 4)
+}
+
+def testP(): Unit = {
+  import AsPackage.LineNo
+  assert(summon[LineNo].lineNo == 9)
+}
+
+@main def Test =
+  testO()
+  testP()