Fix quoted pattens with references to private fields

Reverts 0b072d6

Fixes #15676

Author: Nicolas Stucki

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

@@ -53,7 +53,7 @@ trait QuotesAndSplices {
       report.error(em"Quotes require stable Quotes, but found non stable $quotes", quotes.srcPos)
 
     if ctx.mode.is(Mode.Pattern) then
-      typedQuotePattern(tree, pt, quotes).withSpan(tree.span)
+      makeInlineable(typedQuotePattern(tree, pt, quotes).withSpan(tree.span))
     else if tree.isTypeQuote then
       val msg = em"""Quoted types `'[..]` can only be used in patterns.
                     |

tests/pos-macros/i15676/Macro_1.scala

@@ -0,0 +1,14 @@
+package foo
+
+import scala.quoted.*
+
+private[foo] object Foo:
+  def apply(): Int = ???
+
+inline def test(): Unit = ${ testExpr() }
+
+private def testExpr()(using Quotes): Expr[Unit] = {
+  '{ Foo() } match
+    case '{ Foo() } =>
+  '{}
+}

tests/pos-macros/i15676/Test_2.scala

@@ -0,0 +1 @@
+def Test() = foo.test()