Merge pull request #6776 from dotty-staging/fix-#6754

Fix #6754: Reify quotes of level 2 in `scala.quoted.run`

Author: nicolasstucki

compiler/src/dotty/tools/dotc/quoted/QuoteCompiler.scala

@@ -15,7 +15,7 @@ import dotty.tools.dotc.core.Symbols.defn
 import dotty.tools.dotc.core.Types.ExprType
 import dotty.tools.dotc.core.quoted.PickledQuotes
 import dotty.tools.dotc.tastyreflect.ReflectionImpl
-import dotty.tools.dotc.transform.Staging
+import dotty.tools.dotc.transform.ReifyQuotes
 import dotty.tools.dotc.util.Spans.Span
 import dotty.tools.dotc.util.SourceFile
 import dotty.tools.io.{Path, VirtualFile}
@@ -36,7 +36,7 @@ class QuoteCompiler extends Compiler {
     List(List(new QuotedFrontend))
 
   override protected def picklerPhases: List[List[Phase]] =
-    List(List(new Staging))
+    List(List(new ReifyQuotes))
 
   override def newRun(implicit ctx: Context): ExprRun = {
     reset()

tests/run-with-compiler/i6754.check

@@ -0,0 +1,2 @@
+foo
+bar

tests/run-with-compiler/i6754.scala

@@ -0,0 +1,15 @@
+
+import scala.quoted._
+
+object Test {
+  implicit val tbx: scala.quoted.Toolbox = scala.quoted.Toolbox.make(getClass.getClassLoader)
+
+  def main(args: Array[String]): Unit = {
+    val y: Expr[Unit] = '{
+      val x: Expr[Unit] = '{println("bar")}
+      println("foo")
+      x.run
+    }
+    y.run
+  }
+}