Run K2 scripts in PSI mode

compiler/testData/integration/ant/jvm/twoStdlibForCollectionLiterals/build.log.expected

@@ -5,9 +5,6 @@ build:
     [mkdir] Created dir: [Temp]/classes
     [javac] Compiling 2 source files to [Temp]/classes
     [javac] Compiling [[TestData]] => [[Temp]/classes]
-    [javac] [TestData]/myArrayOf.kt:3:30: warning: parameter 'elements' is never used
-    [javac] public fun intArrayOf(vararg elements: Int): IntArray = TODO()
-    [javac]                              ^
     [javac] Running javac...
       [jar] Building jar: [Temp]/literals.jar
 

compiler/testData/integration/ant/jvm/twoStdlibForCollectionLiterals/build.xml

@@ -9,6 +9,7 @@
             </classpath>
             <withKotlin>
                 <compilerarg value="-Xallow-kotlin-package"/>
+                <compilerarg line="-Xuse-fir-lt=false"/>
             </withKotlin>
         </javac>
         <jar destfile="${temp}/literals.jar">