compile bootstrapped with semanticdb

Author: bishabosha

compiler/test/dotty/tools/vulpix/TestConfiguration.scala

@@ -16,7 +16,7 @@ object TestConfiguration {
     "-Yno-deep-subtypes",
     "-Yno-double-bindings",
     "-Yforce-sbt-phases",
-    // "-Ysemanticdb",
+    "-Ysemanticdb",
     "-Xverify-signatures"
   )
 

project/Build.scala

@@ -299,6 +299,10 @@ object Build {
     },
     */
 
+    scalacOptions ~= { old =>
+      if (old.contains("-Ysemanticdb")) old else old :+ "-Ysemanticdb"
+    },
+
     // sbt gets very unhappy if two projects use the same target
     target := baseDirectory.value / ".." / "out" / "bootstrap" / name.value,