Fix compilation

compiler/tests-common/tests/org/jetbrains/kotlin/codegen/ir/AbstractIrLineNumberTest.kt

@@ -47,7 +47,7 @@ abstract class AbstractIrLineNumberTest : AbstractLineNumberTest() {
             }
 
             override fun visitLabel(label: Label) {
-                if (lastLabel != null && !labels2LineNumbers.containsKey(lastLabel) && lastLine >= 0) {
+                if (lastLabel != null && !labels2LineNumbers.containsKey(lastLabel!!) && lastLine >= 0) {
                     labels2LineNumbers[lastLabel!!] = lastLine.toString() // Inherited line number
                 }
                 lastLabel = label

idea/tests/org/jetbrains/kotlin/checkers/AbstractFirPsiCheckerTest.kt

@@ -39,7 +39,7 @@ abstract class AbstractFirPsiCheckerTest : AbstractPsiCheckerTest() {
                 throw FileComparisonFailure(e.message, e.expected, e.actual, File(e.filePath).absolutePath)
             } else {
                 // Here we just check that we haven't crashed due to exception
-                0
+                0L
             }
         } finally {
             if (configured) {