REPL: do not output additional newline after compiler and runtime errors

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/repl/replUtil.kt

@@ -40,7 +40,7 @@ fun renderReplStackTrace(cause: Throwable, startFromMethodName: String): String
     @Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN", "UsePropertyAccessSyntax")
     (cause as java.lang.Throwable).setStackTrace(resultingTrace.toTypedArray())
 
-    return Throwables.getStackTraceAsString(cause)
+    return Throwables.getStackTraceAsString(cause).trimEnd()
 }
 
 internal fun ClassLoader.listAllUrlsAsFiles(): List<File> {

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/repl/ReplInterpreter.kt

@@ -52,7 +52,7 @@ class ReplInterpreter(
         }
 
         override fun report(severity: CompilerMessageSeverity, message: String, location: CompilerMessageLocation?) {
-            val msg = messageRenderer.render(severity, message, location)
+            val msg = messageRenderer.render(severity, message, location).trimEnd()
             with (replConfiguration.writer) {
                 when (severity) {
                     CompilerMessageSeverity.EXCEPTION -> sendInternalErrorReport(msg)