Move Staging phase after typer

Author: nicolasstucki

compiler/src/dotty/tools/dotc/Compiler.scala

@@ -38,10 +38,10 @@ class Compiler {
   protected def frontendPhases: List[List[Phase]] =
     List(new FrontEnd) ::           // Compiler frontend: scanner, parser, namer, typer
     List(new YCheckPositions) ::    // YCheck positions
-    List(new Staging) ::            // Check PCP, heal quoted types and expand macros
     List(new sbt.ExtractDependencies) :: // Sends information on classes' dependencies to sbt via callbacks
     List(new semanticdb.ExtractSemanticDB) :: // Extract info into .semanticdb files
     List(new PostTyper) ::          // Additional checks and cleanups after type checking
+    List(new Staging) ::            // Check PCP, heal quoted types and expand macros
     List(new sbt.ExtractAPI) ::     // Sends a representation of the API of classes to sbt via callbacks
     List(new SetRootTree) ::        // Set the `rootTreeOrProvider` on class symbols
     Nil