Merge pull request #5265 from dotty-staging/fix-5260

Fix #5260: Type TupleXXL.apply as TupleXXL

Author: nicolasstucki

compiler/src/dotty/tools/dotc/typer/Typer.scala

@@ -1811,7 +1811,7 @@ class Typer extends Namer
         val tupleXXLobj = untpd.ref(defn.TupleXXLModule.termRef)
         val app = untpd.cpy.Apply(tree)(tupleXXLobj, elems1.map(untpd.TypedSplice(_)))
           .withPos(tree.pos)
-        val app1 = typed(app, pt)
+        val app1 = typed(app, defn.TupleXXLType)
         if (ctx.mode.is(Mode.Pattern)) app1
         else {
           val elemTpes = (elems, pts).zipped.map((elem, pt) =>

tests/run/i5260.check

@@ -0,0 +1 @@
+(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23)

tests/run/i5260.scala

@@ -0,0 +1,8 @@
+object Test {
+
+  def main(args: Array[String]): Unit = {
+    println(f23((1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)))
+  }
+
+  def f23(x: (Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int)): String = x.toString
+}