include compiler-interface into scala -classpath when -with-compiler flag is specified

Author: unkarjedy

dist/bin/scala

@@ -217,7 +217,7 @@ run)
     echo "warning: multiple classpaths are found, scala only use the last one."
   fi
   if [ $with_compiler == true ]; then
-    run_cparg+="$PSEP$DOTTY_COMP$PSEP$TASTY_CORE$PSEP$DOTTY_INTF$PSEP$SCALA_ASM$PSEP$DOTTY_STAGING$PSEP$DOTTY_TASTY_INSPECTOR"
+    run_cparg+="$PSEP$DOTTY_COMP$PSEP$TASTY_CORE$PSEP$DOTTY_INTF$PSEP$SCALA_ASM$PSEP$DOTTY_STAGING$PSEP$DOTTY_TASTY_INSPECTOR$PSEP$SBT_INTF"
   fi
   # exec here would prevent onExit from being called, leaving terminal in unusable state
   eval "\"$JAVACMD\"" "-classpath \"$run_cparg\"" "${java_args[@]}" "${residual_args[@]}"

dist/bin/scala.bat

@@ -48,7 +48,7 @@ if %_EXECUTE_SCRIPT%==1 (
         echo Warning: Multiple classpaths are found, scala only use the last one. 1>&2
     )
     if %_WITH_COMPILER%==1 (
-        set "_CP_ARG=!_CP_ARG!%_PSEP%%_SCALA3_COMP%%_PSEP%%_TASTY_CORE%%_PSEP%%_SCALA3_INTF%%_PSEP%%_SCALA_ASM%%_PSEP%%_SCALA3_STAGING%%_PSEP%%_SCALA3_TASTY_INSPECTOR%"
+        set "_CP_ARG=!_CP_ARG!%_PSEP%%_SCALA3_COMP%%_PSEP%%_TASTY_CORE%%_PSEP%%_SCALA3_INTF%%_PSEP%%_SCALA_ASM%%_PSEP%%_SCALA3_STAGING%%_PSEP%%_SCALA3_TASTY_INSPECTOR%%_PSEP%%_SBT_INTF%"
     )
     set _JAVA_ARGS=-classpath "!_CP_ARG!" %_JVM_OPTS% %_RESIDUAL_ARGS%
     call "%_JAVACMD%" !_JAVA_ARGS!

project/Build.scala

@@ -623,7 +623,8 @@ object Build {
           val dottyTastyInspector = jars("scala3-tasty-inspector")
           val dottyInterfaces = jars("scala3-interfaces")
           val tastyCore = jars("tasty-core")
-          run(insertClasspathInArgs(args1, List(dottyCompiler, dottyInterfaces, asm, dottyStaging, dottyTastyInspector, tastyCore).mkString(File.pathSeparator)))
+          val compilerInterface = findArtifactPath(externalDeps, "compiler-interface")
+          run(insertClasspathInArgs(args1, List(dottyCompiler, dottyInterfaces, asm, dottyStaging, dottyTastyInspector, tastyCore, compilerInterface).mkString(File.pathSeparator)))
         } else run(args)
       },